Fat accumulation, digestive system problems.

1. Fat accumulation: The human abdomen is one of the main places where fat accumulates. If too much energy is taken in and the body cannot consume and utilize this energy, excess fat will accumulate in the abdomen. , resulting in fish maw.

2. Digestive system problems: If there are problems with the body's digestive system, such as constipation, gastrointestinal diseases, etc., it will lead to abdominal distension, gastrointestinal gas and other uncomfortable symptoms, forming fish maw.