Children with constipation, no appetite and short temper are mainly considered to have iron deficiency anemia and irritable bowel syndrome, etc. Physiotherapy and medication are usually chosen to relieve the symptoms. 1. Physiotherapy: When children suffer from iron deficiency anemia, they can take foods that replenish blood, such as liver and meat. If the discomfort is caused by irritable bowel syndrome, parents are advised to counsel the child so that the child will not be too nervous and anxious. 2. Medication: When the above discomfort is caused by iron deficiency anemia, the child should take blood replenishing medicines such as ferrous protein succinate, iron sulfate and so on. When the patient due to irritable bowel syndrome caused by the above discomfort, can be appropriate to take bifidobacteria, Saccharomyces boulardii, etc. to improve. If the above symptoms are not relieved, or accompanied by other symptoms, patients should go to the hospital for medical consultation to clarify the cause and then give targeted treatment. The above medications should be used under the guidance of a doctor, and avoid self-medication.