Six-month-old babies shaking their heads may be physiological factors or pathological factors, such as lack of calcium, eczema, ear infections and so on. 1. Physiological factors: put too much clothes on the baby, resulting in high body temperature, the baby feels uncomfortable, so always shaking his head. 2. Pathologic factors: (1) lack of calcium: lack of calcium in the body, sweat glands secretion of sweat, stimulate the neck, shoulders and neck, occiput feel uncomfortable, so six-month-old babies always shake their heads. (2) eczema: if the six-month-old baby head and face long eczema is itchy, the baby feels uncomfortable so shaking his head to relieve. (3) ear inflammation: six-month-old baby ear inflammation, such as otitis media, otitis externa, because of ear pain, tinnitus and other discomforts, so the baby will also shake his head. If you exclude physiological factors, it is recommended to take your baby to the doctor in time to identify the cause of the disease and follow the doctor’s instructions for treatment.