Clinical does not have how to gain weight the best argument, it is recommended to maintain a balanced diet can be. Usually for the normal weight of the population, to avoid gaining weight, usually a reasonable combination of diet, appropriate consumption of fresh fruits and vegetables, to ensure a balanced intake of nutrients can be. And usually also need to develop good eating habits, avoid overeating, etc., if improper fertilization, may also have adverse effects on health. If the patient appears to be thin, it is also necessary to clarify the cause of the disease in a timely manner, generally appear to be thin, may be malnutrition, rickets, anorexia, chronic gastritis, chronic hepatitis, hyperthyroidism, diabetes mellitus and other diseases. The presence of mandibular arthritis, osteomyelitis, oral ulcers and other diseases, patients will have difficulty in eating, swallowing, etc., can also appear wasting. Patients are advised to avoid unauthorized weight gain, plan their diets reasonably, and find out the cause of the disease in time and take reasonable treatment if wasting occurs.