Children’s poor sleep should be treated according to the causes. Common causes include macronutrient and trace element deficiencies, mental sub-health, poor sleep environment, diseases, etc. They can be adjusted by supplementing the corresponding macronutrients and trace elements, psychological treatment, changing the sleep environment, and actively treating the original disease. 1. Supplementation of appropriate macronutrients and micronutrients: For example, long-term deficiency of calcium, zinc, iron and other micronutrients will lead to poor sleep quality of children. It is recommended to take a trace element test and supplement according to the deficiency. Calcium, iron, vitamin D, etc. can be taken as prescribed by the doctor to regulate. 2. Psychological treatment: If the child is in a bad mood, with anxiety, excitement, obsessive-compulsive and other bad emotions, can also lead to sleep problems. You can seek the help of professional psychologists, using cognitive behavioral therapy, music therapy, etc., to relieve bad moods and improve sleep quality. 3. Changing the sleeping environment: A poor sleeping environment can also cause poor sleep quality and sleeplessness in children. It is recommended that adults provide children with a good sleep environment. The sleeping environment should not be too bright or too noisy, and avoid waking up the child by talking loudly. 4. Actively treat the original disease: for example, colds, upper respiratory tract infections, asthma, tonsil hypertrophy and other diseases, will affect the child’s breathing, resulting in poor sleep quality. You should have a relevant examination in time, and actively treat the original disease, and then alleviate the situation of poor sleep. Children sleep poorly, should be based on the causes, targeted regulation, specific can consult a professional physician opinion.