6-month-old babies waking up frequently at night may be caused by physiological factors such as high indoor temperature, hunger, urination and peeing, or may be caused by pathological conditions such as lack of calcium, indigestion, etc., which should be dealt with according to the causes. 1. Physiological factors: such as high room temperature, baby hunger, urination, etc., these factors will cause the child to feel uncomfortable, so it may lead to frequent night waking. It can be dealt with by lowering the room temperature, breastfeeding, changing clothes, and so on. 2. Pathological factors: for example, baby’s lack of calcium, indigestion and so on. (1) Calcium deficiency: it can cause babies to have night terrors easily. If it is clear, it should be treated with calcium medication and vitamin D under the guidance of a doctor. (2) Indigestion: This may cause gastrointestinal discomfort and frequent night wakings. Under the guidance of the doctor with the use of probiotics to deal with. Usually also pay attention to the baby’s abdomen to keep warm, do not eat greasy food. 6 months baby waking up frequently at night, should be timely to the hospital pediatrics, identify the causes under the guidance of the doctor to deal with.