Eight-month-old baby sleep tossing and turning, mostly considered to be physiological factors, external factors, lack of vitamin D or calcium deficiency, head eczema and other causes, need to go to the hospital for medical consultation to clarify the cause and then treatment. A, physiological factors: the baby is too excited before going to bed, which can lead to the baby can not sleep peacefully, or there may be a foreign body feeling in the nose boogers, the baby will sleep tossing and turning. Second, external factors: sleeping environment temperature is too high, light is too bright, the baby is dressed too thick, pillow discomfort, mosquito bites, etc., can lead to 8 months baby sleep shaking head. Parents are advised to provide a quiet and comfortable sleeping environment for their babies. Third, the pathological factors: 1, lack of vitamin D or calcium deficiency: lack of calcium, vitamin D will lead to increased neuroexcitability of the baby, mostly manifested as sleeping shaking head, easy to panic, easy sweating, night crying and other symptoms. Need to improve the trace element examination, under the guidance of doctors to supplement calcium, vitamin D, while taking the child more outdoor sunshine, to help calcium, vitamin D for effective absorption; 2, head eczema: baby head eczema, will cause itching scalp discomfort, will show sleep shaking head. It is recommended that parents take their babies to the doctor in a timely manner, and follow the doctor’s instructions to use topical glycolic lotion to stop the itching, and to keep the head dry and hygienic; 3, pinworm disease: when pinworms are parasitic in the baby’s intestinal tract, there will be perianal itching, and the affected child will flip around during sleep. Parents are advised to take their children to the doctor promptly and take mebendazole and other drugs if necessary. Eight-month-old baby sleep tossing and turning, if more serious, parents need to properly fix the sleeping position to avoid body bumping or even falling under the bed, but also need to pay close attention to the baby crying, spirit and limb scratching.