The main reasons for the appearance of chin long closed mouth are the following: 1, due to endocrine disorders, local skin oil secretion imbalance, did not clean the skin in a timely manner resulting in local pore blockage, skin residues can not be discharged will appear closed mouth. 2, often eat fried food, so that skin secretions become sticky, not conducive to dirty, fat elimination will line into closed mouth. 3, spleen weakness, spleen weakness when the body Fat is difficult to normal fat metabolism, the possibility of occlusion is greater. For the treatment of the closed mouth need to choose a cleansing strength of the cleanser, to carefully wash the face, after each cleaning must pay attention to hydration and moisturizing, pay attention to sun protection. Avoid eating spicy, greasy and stimulating food, rest on time, and usually reduce the screen radiation of computers and cell phones.