Children’s tummy hard, bulging, seen in a variety of reasons, such as abdominal muscle is not fully developed, or improper feeding methods, indigestion, serious may be intussusception and other surgical emergencies caused by abdominal, so need to clarify the causes, to give appropriate treatment and treatment. 1, the abdominal muscle is not fully developed: children because the abdominal muscle is not strong enough, the abdomen will appear more prominent, especially when holding the abdomen will show sagging situation, so that the child’s stomach looks hard, bulging state. Generally, as the child ages, the abdominal muscles gradually develop and mature, the stomach will not appear in this situation; 2, improper feeding methods: perhaps the child in the process of eating breast milk or milk powder, due to sucking too quickly or improper milk eating methods, as well as bottle nipple aperture size is not appropriate, resulting in the child sucking in the process of sucking a lot of air, there are also some children over-crying so that a lot of air There are also some children who cry excessively so that a lot of air enters the gastrointestinal tract, and some children may eat dairy products or other foods that ferment and produce a lot of gas through the action of digestive enzymes in the intestinal tract, leading to the symptoms of abdominal distension. At this time, you can apply local heat to the child’s abdomen, or clockwise massage, can gradually relieve; 3, indigestion: some children may be considered due to indigestion, pent-up food, resulting in a hard, bulging stomach; 4, surgical emergency abdominal disease: need to go to the hospital to investigate whether the child has a surgical emergency abdominal disease, such as intestinal obstruction, intestinal overlap, etc., the child in addition to a hard, bulging stomach, but also accompanied by vomiting, no exhaustion, no bowel movements and other symptoms.