Repeated weight fluctuations may be caused by physiological factors, and may also be caused by diabetes, hyperthyroidism and other diseases, physiological factors caused by the general do not need special treatment, pathological factors caused by the need for targeted treatment under the guidance of the doctor, such as general treatment, drug therapy. 1. Physiological factors: normal people’s weight will fluctuate within a day according to dietary changes, or a short period of time after overeating and reduce the amount of food and other circumstances can cause weight fluctuations, usually do not need special treatment, improve diet. 2. Diabetes mellitus: poor blood sugar control can also cause weight fluctuation, need to follow the medical advice to use metformin and other oral hypoglycemic drugs or injectable insulin therapy, with dietary control, appropriate exercise, to maintain blood sugar in a reasonable range. 3. Hyperthyroidism: Changes in the level of thyroid hormones in the body can lead to weight fluctuations. Hyperthyroidism needs to be improved by taking antithyroid drugs such as propylthiouracil or iodine radiation therapy. If you have weight fluctuations, you should go to the hospital and ask your doctor to make a judgment after eliminating physiological factors.