There is no such thing as which season aggravates diabetes. No matter which season a diabetic is in, if he/she does not pay attention to his/her diet, he/she may aggravate his/her diabetes, for example, overeating, eating too much, lack of exercise and other reasons may aggravate his/her diabetes. Diabetic patients should eat reasonably, do not overeat, should be appropriate more activities, more exercise, to maintain a happy mood, in winter or fall when the temperature drops should pay attention to warmth, add clothes appropriately, to avoid catching colds; in summer to drink more water, less sugary drinks, regular monitoring of blood glucose, regular checkups in the hospital, regular use of medication, adjust the medication under the guidance of the doctor, if necessary.