Three months baby sleep shaking head and scratching ears, pay attention to the following: First, pay attention to the factors of the sleep environment, such as mosquito bites, will make the child appear itching caused by shaking head and scratching ears. Second, pay attention to whether the child has a vitamin D deficiency, calcium deficiency, will cause increased neural excitability, affecting the child’s sleep, sleep shaking head, scratching ears. Third, pay attention to whether there is eczema, boils and other local skin factors, because local itching caused by scratching ears. Fourth, we should also pay attention to whether the child has a lack of trace elements, poor nutrition, such as iron deficiency, zinc deficiency of the child, can also affect the sleep of this situation. Fifth, pay attention to whether there are intracranial problems or ear problems, such as intracranial occupation, cyst infection or otitis media, which can also cause head shaking and ear scratching.