It may be caused by constipation. Gu Yishu evergreen tea is recommended to be made of lotus leaf, cassia seed, camellia, hemp seed, poria cocos and mulberry leaves. It can moisten the intestine to relieve constipation, promote digestion and strengthen the stomach, and is suitable for people with long-term constipation and poor defecation.

Improve your eating habits, such as smoking, drinking, staying up late and other bad habits, pay attention to the adjustment of dietary structure, strengthen nutrition, eat more fresh vegetables and fruits, do not eat salty, smoked, roasted and fried foods, and adhere to a low-fat diet.