Frequent crying at night, if the illness lasts more than 1 week, is usually considered as two factors: First, to see if there is a recent cold, diarrhea, constipation, etc.. If it is a cold, diarrhea, frequent crying, it is possible that the cold and diarrhea caused by the sequelae. For example, tummy discomfort, manifested as frequent crying. It is also possible that after the cold, there may be headaches, earaches or oral pain, there may also be frequent crying at night, to rule out the primary disease first. Second, if your child has ulcers in the mouth, you must eat a light diet, drink more water, eat more fresh vegetables and fruits, and eat mainly liquid food, not acidic things. If your child has a cold and there is discharge from the ear, go to the quintuplegia department for an interview. If diarrhea cries because the stomach is uncomfortable, although diarrhea is well, also need a period of recovery, pay attention to diet, eat probiotics to observe.