1, mainly due to the hypertrophy of mandibular angle. Excessive use of masseter muscles will widen the face. This kind of hard food, such as nuts, fried beans and shredded squid, is often eaten. So avoid excessive use of masseter muscles and don't eat these foods.

2, love to eat salty midnight snack or food. Because salty salt is sodium chloride, it is easy to absorb water, and the body should balance water and sodium, which is easy to cause facial edema after storage.

3. Bad sleeping posture. For example, sleeping on your stomach will press your face and cause deformation. Side sleeping should be on the left today and on the right tomorrow, so as to keep the face symmetrical.

Drinking water before going to bed can also cause edema.