There are many reasons for having a big face and a small face, which may be due to asymmetric muscle development, as follows: 1, born with asymmetric facial nerve development, muscular face and more exercise; 2, unilateral chewing, accustomed to unilateral eating, masseter hypertrophy caused by chewing; 3. Congenital asymmetry of skeletal development. The treatment of these cases is firstly muscle asymmetry. The most commonly used and simplest treatment is injection of botulinum toxin. It is possible to inject botulinum toxin into the hypertrophic side, which can solve muscle atrophy and achieve relative symmetry of the face. Skeletal asymmetry requires surgical treatment. One side of the big bone is ground flat for osteotomy, and artificial materials, such as medpor material, can also be placed on the small side to enlarge the small one and achieve left-right symmetry.

According to your situation, facial asymmetry is a phenomenon that everyone has, but if you can see it with the naked eye, the degree of asymmetry is even more serious. Generally speaking, the facial asymmetry of oneself or others is invisible to the naked eye, usually with the prejudice that everyone's face is symmetrical, so only when the asymmetry is obvious can I or others see it. It can be seen that the less serious cases can be corrected simply by the same method as the maxillary surgery. However, more serious cases need further treatment to be satisfied.

Several situations of asymmetric faces on both sides and their improvement methods;

First, because the masseter muscle is unevenly stressed:

1, when eating, try not to use the masseter muscle with fat face, but chew with thin face. This method takes about half a year to see the effect.

2. When you are free, make a fist with your hands, hold the masseter muscle with your second knuckles (that is, the place where your cheeks bulge when you grind your teeth hard), and gently massage around (relax your muscles when you press).

Second, the asymmetry between the left and right faces caused by sleep:

1. Try to sleep on your side and change your sleeping habits. If you don't feel well, it's better to change it back in the middle of the night than to sleep with only half your face exposed.

2. Subconsciously, we should establish the concept of "the cheeks on both sides are very symmetrical", which subconsciously implies that meat will have memory. In your memory, it is symmetrical on both sides, so it will grow up in the way you remember.

Third, due to various pathological problems, the left and right faces are asymmetrical:

It can be changed by surgery or tooth extraction. But if you really don't want to have surgery, you can apply some ointment to the fatter side of your face like the other side. You can also massage with tools, and the effect is better.