Disease analysis: Hello, Master. Generally speaking, this situation has something to do with life and eating habits. If you chew mainly on the right side of your mouth, your muscles and development on the right side will be bigger than that on the left. And sleeping on one side will also have an impact.

Suggestion: It doesn't matter if it is slightly asymmetrical. If it is asymmetrical, you need to go to the hospital for examination. First go to the stomatology department of the hospital to see if the teeth are symmetrical-if there is any problem, you need to make relevant corrections, and then go to the beauty and plastic surgery department to see if there are any abnormalities in facial muscles and head.