In the movie 捉妖记 (zhuōyāojì), called Monster Hunt in English (Wikipedia, IMDB, Baidu, iQIYI), the movie's character 霍小岚 (Huòxiǎolán) attaches the Chinese hanzi


to the head of monsters, and this largely disables their movement. It's used humorously in various scenes.

Monster with 定 stuck on his forehead

I'm wondering what is significant about the character 定 in particular.

Question: Why does 定 disable the monsters' movement in Monster Hunt?

Among the definitions at dict.cn for , we have "to set" and "to fix". It's possible it's used as short for 固定, which has "immobilization" among its definitions. Although, I'm just guessing here, and I feel like there is more to it, possibly even something historical.

  • In 1985's Mr. Vampire (僵尸先生), a taoist priest attaches a large yellow strip with some inscriptions to the forehead of vampires/zombies to immobilize them. I couldn't find what's written on them, though.
    – Rodrigo
    Commented Jul 10, 2018 at 1:05

4 Answers 4


I know the magic "定身法"(the body-immobilization magic) from the very famous TV show 《西游记》, in which the protagonist "孙悟空" uses it to immobilize monsters. The magic spell he uses is a single character "". It went viral since then. Kids would joke around about it.

Nowadays, almost every native speaker knows this magic, given that 《西游记》 is such a popular TV show as well as its book.


定 simply means to set or fix (in place). Essentially a "STOP" sign. No wonder the monsters stop! Plus there's probably a connotation with the TV show.



Modern oral Mandarin still use 定 as "prevent something to move". You can use 固定 instead, they're interchangeable.


定=to fix. 定-something, means fix something, make something still. it comes from the old tale. there is also an idiom that is called "葵花点穴手".

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