If the bumpy mouth is acquired, it can be improved by practicing tight mouth closure and correcting bad habits. If the bumpy mouth is caused by misaligned teeth or a short chin, surgery is required. A bumpy mouth is a protrusion of the upper and lower jaws at the same time. There are many reasons for a bumpy mouth, and you need to choose the right way to improve it according to the specific reason. Often, if the bumpy mouth is caused by frequent lip-biting, open-mouth breathing and other acquired factors, you can improve by training to close your mouth tightly, avoid breathing through the mouth, and usually need to insist on resisting lip-biting. Correcting bad habits as soon as possible can, to a certain extent, gradually reduce the phenomenon of convex mouth. Secondly, if the bumpy mouth is caused by misaligned teeth, you can wear braces to correct the teeth. If the bumpy mouth is caused by a short chin, it will need to be improved by jaw surgery. To summarize, people with bulging mouths need to go to the hospital in time, do a series of related examinations, and then cooperate with the doctor to improve the bulging mouth after clarifying the specific cause of the treatment.