It is usually seen as blood and water, or yellow-white mucus, and in severe cases, yellow fat-like particles can be squeezed out. It is mostly due to improper feeding, poor diet, nutritional disorders and damage to the spleen and stomach, resulting in malnutrition and chronic prolonged diarrhea due to poor digestion and absorption disorders in children. In modern research, it is believed that pricking the four sutures can significantly increase the secretion of pancreatic juice, increase the content of pancreatic amylase and pancreatic lipase, accelerate intestinal peristalsis and emptying time, and thus improve the function of the digestive system. This method is therefore effective in treating children with chancre, indigestion, lean body, stunted growth and chronic diarrhea. It is important to note, however, that noma is an invasive treatment and should be operated by a professional doctor in a hospital as much as possible. If the symptoms are mild, you can get some relief by rubbing the middle joint of the four fingers at home.