The unconscious head nodding is mainly seen in the following areas: 1, extrapyramidal disorders such as Meige syndrome, some patients will have involuntary head nodding, and then there are also nuzzles, blinking such performance. The effect can be given to haloperidol or sulepivoxil combined orally. 2, head nodding involuntarily, if the young and middle-aged patients may have idiopathic tremor, because of the idiopathic tremor, some patients in addition to the tremor of the hands and feet, can also appear the head will be involuntary tremor, the phenomenon of nodding. 3, the head will be nodding involuntarily, to consider whether the patient may have epilepsy If the patient has epilepsy, a cranial MRI plus EEG is needed to rule it out. The head will nod unconsciously, mainly due to the above aspects.