Often, a child’s crying before bedtime can be caused by over-excitement, gastrointestinal upset, and calcium deficiency. Symptoms can be improved by playing soothing music, massaging the abdomen and taking calcium supplements. 1. Over-excitement: If the child’s activity is large before bedtime, and the emotion is not recovered when he goes to sleep, the child’s crying before bedtime may occur, which is a normal situation. Parents can play soothing music before the child goes to bed to help the child fall asleep as soon as possible. 2. Gastrointestinal discomfort: If a child eats too much before going to bed, it may lead to indigestion, causing gastrointestinal discomfort, abdominal distension, abdominal pain and other symptoms, and may appear to cry before going to bed. Parents can massage the child’s abdomen to relieve gastrointestinal discomfort, thus helping the child fall asleep. 3. Calcium deficiency: Due to the child’s rapid growth and development, if usually often picky eaters may lead to malnutrition, resulting in calcium deficiency, resulting in increased nerve excitability, may appear to cry before going to bed. Can be treated with calcium carbonate tablets, calcium gluconate tablets and other drugs under the guidance of a doctor. Note that the above drugs, should be used under the guidance of the doctor, avoid unauthorized use of drugs, so as not to cause adverse effects. If the child’s symptoms are not relieved by the above methods, it is recommended to consult a doctor in time, complete the relevant examinations, clarify the cause of the disease, and carry out targeted treatment or therapy.