Baby three months of frequent night waking may be normal physiological phenomena, such as hunger, wet diapers, lack of security, etc., but also need to exclude pathology, most commonly seen in rickets, infections, indigestion and so on. 1. Physiological phenomena: such as baby hunger, wet diapers, lack of security, etc., you can increase the number of breastfeeding to improve the baby’s hunger, changing diapers in a timely manner, soothe the baby and other treatments, the number of night wakings will be reduced. 2. Pathological causes: (1) rickets, common symptoms are frequent night waking, excessive sweating, occipital baldness, night terrors, square skull and other symptoms, need to supplement vitamin D in time, increase outdoor activities to improve the symptoms. (2) infections, such as acute upper respiratory tract infection, acute infectious laryngitis and other diseases, the baby in addition to coughing, hoarseness and other symptoms, will be due to respiratory distress and other symptoms caused by frequent night waking. (3) indigestion, often with abdominal distension, abdominal pain and other symptoms, will increase the number of night waking. Baby three months of frequent night waking, there may be other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment, the above medication as prescribed by the doctor.