Crooked mouth may be due to muscle factors, jaw factors, dental factors, etc., and need to treat the symptoms. 1. Muscle factors: Muscle factors cause crooked mouth may be due to the patient’s daily bad chewing habits, poor facial posture, etc.; can be under the guidance of the doctor’s advice to wear bite pads. 2. Jaw factor: Jaw factor is the presence of bony crooked mouth, which needs to be corrected by orthognathic surgery or joint surgery under the guidance of a doctor. 3. Dental factors: Dental factors may be caused by abnormalities in the occlusion of the upper and lower teeth, which can be treated with braces or orthodontics under the guidance of a doctor. It is recommended that patients go to regular hospitals for diagnosis and treatment under the guidance of professional doctors.