The possible reasons for blinking and twitching at the corners of the mouth are as follows: 1. The most common disease that usually accompanies frequent blinking and twitching at the corners of the mouth is facial neuritis. Blinking along with twitching at the corners of the mouth occurs when facial neuritis is present, and at this time it is because the nerves of the face have been violated and infected by viruses, and clinical symptoms appear. 2. In the case of trigeminal neuralgia, frequent blinking along with obvious twitching and In the case of cerebrovascular diseases, such as acute stroke, cerebral hemorrhage, cerebral embolism, cerebral infarction and cerebrovascular accidents, frequent blinking of the eyes and twitching of the corners of the mouth may occur. 4. performance.