Single eyelid is mainly related to heredity, if you think it affects your beauty, you can do double eyelid surgery. If the swollen eyes are caused by drinking too much water and staying up too late, you can just drink less water before going to bed and have a regular work and rest schedule. If it is caused by fat in the upper eyelid, you can choose liposuction to improve it. Single eyelid, also known as single eyelid, is mainly caused by genetic factors and does not affect health, so it does not need special treatment. If you feel that it is not beautiful enough, you can choose double eyelid surgery, including buried double eyelid, full cut double eyelid and so on. Swollen eyes are divided into edema type and fat type, edema type is mainly caused by drinking too much water, staying up all night, tiredness and other factors, drink less water before going to bed, and ensure that the regular work and rest, you can improve this phenomenon. If it is fat type swollen eyes, you can only choose liposuction to suck out the local excess fat, so as to improve the aesthetic appearance. If you want to improve the single eyelid puffy eyes, you should go to the local regular hospital for an interview, and choose the appropriate treatment according to your personal situation. Regular daily routine, avoid overwork.