Lip tremors need to consider the following possibilities: 1, the above discomfort caused by dystonia; 2, consider acute cerebrovascular accidents, such as the above discomfort caused by acute small infarcts in the basal ganglia region of the skull; 3, the above discomfort caused by focal partial seizures of epilepsy; 4, drug side effects, such as the above discomfort caused by certain psychiatric drugs; 5, adverse emotions caused by hysterical seizures, caused by the above discomfort 6, idiopathic tremor caused by the above discomfort; 7, abnormal thyroid function caused by the above discomfort; 8, electrolyte disorders, such as hypokalemia hyponatremia caused by the above discomfort; 9, exclude metabolic diseases and poisoning caused by the above discomfort. However, the diagnosis of which of the above conditions causes lip tremors can only be made by going to the hospital to see a doctor and performing relevant tests.