The cause of anal fissure is generally believed to be due to eating spicy food and drinking alcohol for a long time, which leads to dry stool and tearing skin around anus during defecation, which can cause severe pain and bleeding in anus after defecation.

Suggestion: Generally speaking, anal fissure should first fast spicy food, pepper should not be eaten, eat more fruits and vegetables, keep the stool unobstructed at ordinary times, prevent the stool from drying, take a warm bath every day, keep local cleanliness and drink cold water.