The clinical manifestations can be used to determine whether a child has chancre. The main clinical manifestations of noma in children include: emaciation of breastfeeding children, weakness of qi and blood, and delayed growth and development. It is recommended to be judged by a professional doctor to avoid misdiagnosis. Noma, also known as chancre, is a chronic nutritional disorder. It is a syndrome caused by inappropriate feeding, or the influence of certain diseases, the spleen and stomach dysfunction, resulting in digestion, absorption and utilization can not meet the needs of the body. The disease has a certain developmental process. At the beginning, there may be some mild symptoms, such as loss of appetite, dullness and sleepiness, or restlessness in the night, colorlessness, gradual emaciation, irregular bowel movements (stool abnormality), abdominal distension and other aura, which should be dealt with in time, so as not to become a serious disease that is difficult to treat. Severe cases can cause weight loss, growth retardation, anemia, and even stunting. For the treatment of this disease, attention should be paid to regulating the spleen and stomach and eliminating the cause of the disease, combining the treatment of co-morbidities and concomitant evidence; combining medication with dietary modification; combining internal treatment with external treatment if necessary. Children with the above symptoms should go to the hospital in time to avoid delay.