3-year-old baby sleeping at night crying how to do

3-year-old baby sleep crying at night may be caused by physical discomfort. To carefully communicate with the baby, find out the cause of the baby crying, and then take symptomatic treatment. First of all, to see if the baby is too hungry when sleeping, you can give the baby some vegetables, fruits, or is easy to digest the pastry. Also pay attention to give the baby a safe and comfortable environment, adults try to accompany the baby to sleep. To see if the baby has gastrointestinal dysfunction phenomenon, whether abdominal distension, abdominal pain, diarrhea, and whether there are cold, cough and other symptoms of upper respiratory tract infection, pay attention to whether the child has fever, headache symptoms, if there is timely treatment.