Fluctuations in diabetes usually refer to fluctuations in blood sugar. The sudden rise or fall of blood glucose in diabetic patients is known as blood glucose fluctuation, which is mainly related to diet, medication, exercise, sleep and emotion. 1. Diet: Excessive energy intake can easily lead to blood sugar fluctuations. Diabetic patients do not have absolute restrictions on food, for the blood sugar impact of food to do less or not eat, and pay attention to reasonable control of the total intake of calories. 2. Drugs: not according to the doctor’s instructions to use drugs, stop or increase or decrease the amount of medication, omission of medication, etc. will make the blood sugar fluctuations. 3. Exercise: When you exercise strenuously and your heart rate rises, your blood glucose will soar immediately and then fall again. Therefore, for sugar lovers, low to medium intensity but long lasting exercise is more suitable. 4. Sleep: Poor sleep quality and insufficient sleep time will also lead to the secretion of glucagon in the body, causing blood sugar to rise. 5. Emotions: also affect blood sugar, such as anger, rage, depression, anxiety and other bad emotions, will make the body in a state of stress, so that the sympathetic nerve excitation, sympathetic nerve excitation will make insulin secretion and glucagon increase, so as to make the blood glucose rise. To summarize, diabetic patients in daily life through diet, exercise, medication, smooth emotions and other ways to stabilize blood sugar, to avoid blood sugar fluctuations. When blood sugar fluctuation occurs, it is necessary to consult the doctor in time and take treatment under the doctor’s guidance.