Fat grains, also known as cornu rashes, are retention cysts attached to the epidermis of the skin and are beige in color with a diameter of 1~2 mm, mostly distributed on the face, around the eyes, etc. They are mainly related to long-term consumption of high-fat and high-calorie foods and other factors. Fat grains can be given laser surgical treatment, after which antibiotic ointment erythromycin ointment can be smeared to prevent infection. If the grains are small and few in number, they usually do not produce clinical symptoms and usually do not require treatment. If the distribution of fat particles is more dense and larger, affecting the appearance of the face, etc., need to take laser surgical treatment, after the operation can be smeared with erythromycin ointment to avoid trauma infection. If the fat grain affects the appearance of the face, you need to actively go to the regular hospital consultation and treatment, follow the doctor’s instructions to use drugs, do not use drugs, so as not to cause damage to the body.