穴 (xué): cave, cavity, hole

穴 (xué) is a Chinese character meaning “cave.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), it is composed of 宀 (structural) and 八 (structural). It ranks #1915 in character frequency (SUBTLEX-CH corpus).

Etymologically pictographic, 穴 the mouth of a cave. Its radical form 穴 (cave) appears in many related characters such as 穿 (chuān, to wear, 穿透), 空 (kōng, empty, sky), 突 (tū, sudden).

Spoken pronunciation

Definitions

  1. cave
  2. cavity
  3. hole

Etymology & Origin

穴

pictographicThe mouth of a cave

Decomposition: ⿱宀八 (layout: top-bottom)

Stroke Order

1
2
3
4
5

Practice writing 穴 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

Common Compounds

WordPinyinMeaning
洞穴noundòng xuécave
穴居verbxué jūto live in a cave
巢穴nouncháo xuélair
墓穴nounmù xuétomb
太阳穴nountài yáng xuétemple (on the sides of human head)
地穴dì xuépit
穴位nounxué wèiacupuncture point
空穴来风phrasekōng xué lái fēnglit. wind from an empty cave (idiom)
穴道nounxué dàoacupuncture point
蚁穴nounyǐ xuéant nest
走穴verbzǒu xué(of itinerant entertainers) to tour, playing in many venues
点穴verbdiǎn xuéto hit a pressure point (martial arts)
空穴nounkòng xuéelectron hole (physics)
空穴来风未必无因kòng xué lái fēng wèi bì wú yīnwind does not come from an empty cave without reason
百会穴bǎi huì xué(TCM) acupuncture point GV-20, located at the top of the head
49
Total compounds
16
As first character
76
As last character
8
As middle character

穴 appears in 49 compound words: 16 as the first character, 76 as the last, and 8 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with 穴 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

洞dòng
0.66113,629 co-occurrences
巢cháo
0.6506,163 co-occurrences
墓mù
0.5173,226 co-occurrences
竖shù
0.485342 co-occurrences
挖wā
0.420418 co-occurrences
坑kēng
0.406716 co-occurrences
躲duǒ
0.403264 co-occurrences
掘jué
0.402372 co-occurrences
灸jiǔ
0.40156 co-occurrences
狸lí
0.388136 co-occurrences

Idioms & Chengyu (2)

空穴来风kōngxuéláifēngHSK 7+

to be not completely unsound; to have a basis for its existence; to be completely unsound; to be utterly baseless

phrase
龙潭虎穴lóng tán hǔ xuéHSK 7+

(lit.) dragon's pool and tiger's den (idiom); (fig.) dangerous place; hostile territory

phrase

Example Sentences

AI-Generated

穴字虽然难写,但意思很有趣。

xué zì suī rán nán xiě , dàn yì sī hěn yǒu qù .

The character "穴" may be difficult to write, but its meaning is quite interesting.

中国新闻网·生活Aug 2026

贵阳修文一处在洞穴天坑内新开的咖啡馆,近期也在社交媒体走红。

guì yáng xiū wén yī chǔ zài dòng xué tiān kēng nèi xīn kāi de kā fēi guǎn , jìn qī yě zài shè jiāo méi tǐ zǒu hóng .

A newly opened café located inside a cave and sinkhole in Xiuwen, Guiyang, has recently gone viral on social media.

中国新闻网·生活Jul 2026

穴位保健是日常养生的辅助手段,三伏针灸需因人辨证、由专业医生操作。

xué wèi bǎo jiàn shì rì cháng yǎng shēng de fǔ zhù shǒu duàn , sān fú zhēn jiǔ xū yīn rén biàn zhèng , yóu zhuān yè yī shēng cāo zuò .

Acupoint therapy is a complementary method for daily health maintenance; “Three-Foo” acupuncture must be tailored to each individual’s condition and performed by a licensed practitioner.

TvbsApr 2026

水肿消不掉?网爆红“除湿穴位”按完象腿秒变细 网实测:超有感

shuǐ zhǒng xiāo bù diào ? wǎng bào hóng chú shī xué wèi àn wán xiàng tuǐ miǎo biàn xì wǎng shí cè : chāo yǒu gǎn

Can’t get rid of swelling? A viral “anti-water retention pressure point” instantly slims “elephant legs”—online tests confirm: it really works

TvbsMar 2026

荨麻疹抓不停!中医曝调体质是关键 “5穴位”有效止痒

荨 má 疹 zhuā bù tíng ! zhōng yī pù diào tǐ zhì shì guān jiàn 5 xué wèi yǒu xiào zhǐ yǎng

Can’t Stop Scratching Your Hives? Traditional Chinese Medicine Experts Say Balancing Your Constitution Is Key—These “5 Acupoints” Effectively Relieve Itching

UdnnewsindexMar 2026

民宅旁空地见绿鬣蜥巢穴 南市府安排委外厂商巡查

mín zhái páng kōng dì jiàn lǜ 鬣 蜥 cháo xué nán shì fǔ ān pái wěi wài hǎn shāng xún chá

Green iguana nest found on vacant lot next to residential home; Nantou City Government arranges for a contractor to conduct inspections

Tatoeba

不入虎穴,焉得虎子。

Bùrùhǔxué, yāndéhǔzǐ.

Nothing ventured, nothing gained.

Tatoeba

汤姆害怕待在洞穴里。

Tāngmǔ hàipà dài zài dòngxué lǐ.

Tom was afraid to stay in the cave.

Tatoeba

他真是刚出狼窝又入虎穴。

Tā zhēnshi gāng chū láng wō yòu rù hǔ xué.

He fell out of the frying pan into the fire.

Tatoeba

这地方有多少洞穴?

Zhè dìfang yǒu duōshao dòngxué?

How many caves are there in this area?

Character Family

Homophones — Characters pronounced xué

Frequently Asked Questions

What does 穴 (xué) mean in Chinese?
穴 (xué) primarily means "cave." It is classified as HSK Level 7-9, making it an expert-level character. It ranks #1915 in character frequency.
How many strokes does 穴 have?
穴 is written with 5 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 穴?
The radical associated with 穴 is 穴 (cave). This radical appears in many characters related to cave.
What are the components of 穴?
穴 is composed of: 宀 (structural), 八 (structural). Its IDS decomposition is ⿱宀八 with a top-bottom layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 穴?
Common words with 穴 include: 洞穴 (dòng xué, "cave"); 穴居 (xué jū, "to live in a cave"); 巢穴 (cháo xué, "lair"); 墓穴 (mù xué, "tomb"); 太阳穴 (tài yáng xué, "temple (on the sides of human head)"). There are over 49 compound words containing this character.
What characters sound the same as 穴 (xué)?
Several characters share the pronunciation xué: 学 (to learn), 雪 (snow), 靴 (boots). Context and tones help distinguish between them in speech and writing.
Is 穴 the same in simplified and traditional Chinese?
Yes, 穴 is written the same way in both simplified and traditional Chinese.

Practice writing 穴 with real-time feedback

Trace stroke sequences, hear spoken pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.