The child’s old constipation may be related to bad dietary habits, intestinal probiotics reduce, you can adjust the diet, give the child to supplement probiotics to regulate. 1. Bad diet: children’s diet is too fine, fiber intake is too little, drink less water, etc. may cause constipation, you can adjust the diet for children, increase fiber intake, such as eating a variety of vegetables, fruits and melons, to help intestinal peristalsis, drink more water, reduce dryness, can alleviate the symptoms of constipation. 2. intestinal probiotics reduce: intestinal beneficial bacteria, can also cause constipation, this time you can supplement probiotics, such as bacillus subtilis dictyostelium granules and other treatments, pay attention to avoid long-term use, to prevent diarrhea and other adverse symptoms. It is recommended that the child old constipation timely take the child to the hospital, identify the cause of treatment under the guidance of the doctor. The above drugs should be used in accordance with medical advice.