Old bags under the eyes may be kidney disease, or may be caused by overuse of eyes or aging, etc. Clinical attention should be paid to the exclusion. Kidney is an important detoxification organ of human body, and its basic function is to remove metabolites from the body. When kidney function is impaired, toxic substances or metabolic wastes in the body are difficult to be discharged from the body in a timely manner. With the continuous circulation of blood, these substances are transported to various parts of the body, and if they reach the eyes they may accumulate at the lower edge of the eyelids, forming bags under the eyes. Old bags under the eyes can also be caused by excessive eye use or aging, due to long-term fatigue, late at night and other reasons caused by excessive eye use leads to the occurrence of old bags under the eyes, but also with the growth of age, the loss of collagen slowly, due to the thickness of the skin under the eyes is thin, it is easy to skin elasticity decline leading to the situation of old bags under the eyes. If you have bags under your eyes, it is recommended that you adjust your routine and eat a balanced diet. If necessary, go to the hospital, clear the cause of the disease, under the guidance of the doctor to take the appropriate treatment program.