A bulbous mouth is usually caused by misaligned teeth or a protruding upper jaw. To get a good correction, you can achieve it by relaxing the expression muscles around the mouth. The method is as follows: 1. Use your middle finger and ring finger to massage the muscles above your lips in a circular motion. 2. Place both hands on the muscles below your nose and push towards your upper lip. 3. Keeping the mouth in the shape of a “whoop” pronunciation, place your index finger in a hooked position across your upper lip and push the muscles there, then switch hands and massage in the same way. 4, the index fingers of both hands stacked on the muscles of the upper lip, gently press, but be careful not to press too hard, so as not to hurt the gums. Generally adhere to so massage, 10 minutes a day, a few months down will have a great change.