8-year-old children with dry stool, easy to get sick, consider with long-term bad habits, diseases and other factors. 1. Long-term bad habits: long-term bad defecation habits, usually do not pay attention to diet, often eat refined food, vegetables and fruits, water intake is too small, may cause constipation; long-term sedentary exercise, lack of exercise, resulting in slowing down of intestinal peristalsis, can cause constipation. 2. Diseases: intestinal flora imbalance, constipation, intestinal obstruction, etc., may lead to constipation. Long-term constipation leads to reduced eating and poorer immunity, and children may be prone to illness. An 8-year-old child who often has dry stools and loves to get sick is advised to change poor living and eating habits. If necessary, go to the pediatric internal medicine department of the hospital, if there is an underlying disease, but also targeted treatment.