The most common cases of mild head tremor are as follows: 1. Idiopathic tremor, this disease has a certain genetic tendency, some patients have a similar family history, patients often have involuntary slight head shaking, they are not conscious, are found by family members, sometimes there is also hand tremor, in a certain position is obvious, movement and stationary disappeared. 2. Parkinson’s disease, mostly seen in elderly patients, patients with resting tremor of the head, sometimes The patient has a resting tremor of the head, sometimes accompanied by resting tremor of both upper extremities and tongue tremor, and also has increased muscle tone, cogwheel-like or lead pipe-like, and abnormal gait when walking. 3, alcoholic tremor, if the patient has been drinking a lot of alcohol for a long time, there are often involuntary movements that cannot be controlled. 4, hyperthyroidism, mostly seen in young patients, a typical history of hyperthyroidism leads to increased neuroexcitability and similar symptoms may occur, perfect thyroid This can be identified by improving thyroid hormone level examination.