7-month-old baby sleep shaking head, mostly considered to be sleeping environment discomfort, lack of vitamin D or calcium deficiency, head eczema, otitis media, ear canal eczema and other causes, need to go to the hospital, clear cause and then treatment. First, sleep factors: sleeping environment temperature is too high, light is too bright, the baby dress cover is too thick, pillow discomfort, etc., can lead to 7 months baby sleep shaking head. Parents are advised to provide their babies with a quiet and comfortable sleeping environment. Second, disease factors: 1, lack of vitamin D or calcium deficiency: lack of calcium, vitamin D will lead to the baby’s increased neural excitability, mostly manifested in sleep shaking the head, easy to startle, easy to sweat, night crying and other symptoms. Need to improve the trace element examination, under the guidance of the doctor to supplement calcium, vitamin D, and at the same time take the child to go outdoors more sunshine, to help calcium, vitamin D for effective absorption, but sunshine to avoid direct sunlight on the eyes; 2, eczema on the head: baby eczema on the head, will cause scalp itching discomfort, the child shakes his head through the friction to stop the itching, so it will be manifested in the head shaking while sleeping. Parents are advised to take the baby to the doctor in a timely manner, follow the doctor’s instructions for external use of glycerite lotion to stop the itching, at the same time to maintain head hygiene, clean; 3, otitis media, ear canal eczema: can lead to the baby always shaking his head, otitis media can be applied to penicillin, cephalexin, at the same time, with the use of of oxfloxacin ear drops; ear canal eczema selection of topical medications, such as boric acid lotion, zinc oxide paste. 7 months old baby sleep shaking his head, if shaking his head is more serious, parents need to be properly Move the pillow away from the head of the bed, so as not to hit the head, but also need to pay close attention to the baby crying, spirit and limbs scratching.