Small babies within 4 months of age have immature gastrointestinal nerve development, which can easily cause irregular intestinal peristalsis, with some intestinal peristalsis fast and some slower, and the entanglement can lead to painful intestinal spasms. In addition, the baby’s ability to digest and absorb food is poor, especially babies who drink formula, formula milk contains mainly milk protein, milk protein molecular weight is large, the baby digestion and absorption produces a lot of gas, may cause stomach bloating pain. Furthermore, babies are prone to crying, and crying will stimulate the intestines and stomach, which can also cause painful cramps. Baby parents can relieve colic by following several methods. 1, rub your palms hot, gently massage the baby’s abdomen in a clockwise direction to promote the baby’s exhaust; 2, let the baby lie flat, baby mom assist baby stirrups training to promote intestinal peristalsis; 3, baby burp the baby after eating milk in time to reduce air into the gastrointestinal tract; 4, give the child a hot bath, or use a hot towel on the baby’s tummy, can also relieve pain; 5, appropriate for the baby to eat probiotics, probiotics can regulate intestinal flora and promote the baby’s digestive and absorption functions; If the above methods do not improve the child’s crying, you must go to the hospital to find the cause of intestinal cramps and treat the symptoms.