There are very many reasons for the formation of subcutaneous fat grains, clinically fat grains is a very common disease, the formation of subcutaneous fat grains children are mainly due to the following reasons: First, the body endocrine disorders caused by unbalanced oil secretion, resulting in excess fat under the skin, the accumulation of the formation of fat grains. Second, improper diet, often eat fried food, such as hot pot, barbecue, spicy powder, so that the skin secretions become sticky, not conducive to the discharge of dirt and oil, resulting in the local accumulation of fat particles. Third, improper use of skin care products, local skin can not fully absorb the nutrients of skin care products, resulting in excess skin nutrients to form fatty grains. Fourth, some patients have weak spleen, when the human spleen is weak, the body fat is difficult to carry out normal metabolism appear fat particles.