7 babies anal fissure may be caused by constipation, or stool dryness caused by anal mucous membrane fissure, the treatment is mainly medication, clean diet way mainly. If long-term anal fissure will lead to the child due to fear of defecation, and afraid to eat, resulting in malnutrition, affecting its growth and development. 1. Drugs: You can use drugs such as lactulose or wheat fiber granules to promote defecation under the guidance of a doctor. 2. Cleaning: You can use soft toilet paper to gently wipe the baby clean after each bowel movement, and then choose to sit in the bath, which can play a role in local disinfection and accelerate the effect of fissure healing. 3. Diet: Give your baby more water in daily life to promote the peristalsis of the digestive tract and relieve constipation. You can also give your baby some easy-to-digest complementary foods to help defecation. Parents should observe the baby’s condition in time, find abnormalities and go to the hospital as soon as possible, symptomatic treatment. Appropriate probiotic supplementation, such as Bifidobacterium bifidum, Saccharomyces boulardii, etc. can be used to improve the intestinal microecological environment. Drugs need to be used under the guidance of a doctor.