Constipation is a common clinic complicated symptom. It mainly includes: difficult and reduced frequency of defecation, prolonged defecation time, dry and hard stool, and so on.

1. Difficult defecation: It’s difficult to defecate completely.

2. Reduced frequency: less than 3 times of defecation each week.

3. Defecation time: Longer than 5 minutes, even more than 30 minutes.

4. Defecation characteristics: little hard and dry stool, which is similar to sheep stool.

5. Abdominal distension and other abdominal discomfort, exhaust odor, insomnia, irritability, and anorexia.