1. Niu Huanxi, a modern word that appears in Cantonese colloquialisms and is also a term that appears in RTHK movies, refers to the genitals of a cow. Beef Cheerful is a dish that uses the female cow's pubic area (also pronounced 'cow_' "hi" in Cantonese) to stir-fry with ingredients. Representative dishes such as Cow Cheerful with Popping Sauce are very popular among diners.

2, the effect: some experts say that the nutritional value of the cow rejoicing is actually not high, it is high in fat, protein and other components but not as lean beef, therefore, eating cow rejoicing is not as good as going to eat beef. Many people who love to eat beef jubilee actually just like the taste of beef jubilee rather than because of the high nutritional value.

3, legend: according to folklore, cattle joy has the role of shape to shape, Yin Yin tonic kidney, and cattle prod cattle treasure compared to the efficacy of better. And because of the more rare, earlier generally eat this is the village has a face character exclusive, that is, the village head of the bearer! Some people do not know what the cow joy, also thought he was invited to eat this is an insult to him, in fact, only when a person as a VIP to see, will ask him to eat the cow joy, do not get it wrong.