Breathing through the mouth becomes ugly and will not change back, it can be corrected through plastic surgery. Breathing through the mouth becomes ugly, generally refers to the adenoid face, more common in the group of children under 10 years old, this disease will be long-term nasal congestion, long-term open-mouth breathing will make the development of the jaw bone abnormality, resulting in the emergence of the adenoid face, mainly manifested in the jaw bone becomes longer, teeth, lips become thicker, etc., once the formation of is not able to change back. Adenoid face once formed can not be changed, but should be avoided to further development, if the child has adenoid hypertrophy, the symptoms are more serious, you can go to the hospital in time for adenoidectomy surgery, to avoid further development of adenoid face. After the operation, we should pay attention to the wound healing, avoid infection, usually appropriate exercise to enhance the immune system.