The reason why white rice fish is called big hometown: White rice fish is the name of Hong Kong amphioxus, and it is also the common name of a kind of white cloth shoes in Hong Kong. Cantonese also means "from ruin". Cantonese slang, meaning "die before the light". Because the rice fish will die as soon as it reaches the surface of the water, it is a metaphor for seeing the light die. The prototype is Bai Yanchang. The fisherman is Bai Yuee's father.