In summer, the weather is hot, the heat is unbearable, appetite changes, diabetic blood sugar is not easy to control; coupled with the cardiovascular disease is easy to aggravate the period, summer diabetes patients often fluctuate greatly, cardiovascular events occur more. Diabetics how to spend the summer safely? 1, maintain good health habits. The blood glucose is easy to stabilize and the glucose-lowering medication does not need to be adjusted to prevent blood glucose ups and downs. 2, maintain a good mood. The hot weather makes people irritable, unstable, blood pressure fluctuates, and cardiovascular and cerebrovascular disease events increase. Patients should be calm and calm, not anxious, conducive to blood sugar, blood pressure stability, internal environment stability. 3, exercise appropriate. Diabetic patients should adhere to exercise, but according to the condition, according to the ability to do, the morning and evening temperatures are relatively low, can be appropriate exercise, such as walking, exercise, swimming, especially a relaxed walk is conducive to the recovery of diabetes. Life should be regular, and appropriate naps should be taken at noon to keep the organism in the best condition. 4.Control the intake of fruits. Diabetic patients should not eat more melons and fruits, stable people such as consumption of fruit, but also need to be in accordance with the food conversion method minus a staple food, such as eating 250 grams of watermelon, can reduce 50 grams of staple food, and it is best to eat between meals, so as not to cause post-meal hyperglycemia. Tomatoes and cucumbers contain less sugar, so they can be used as vegetables and fruits. Diabetic patients with high blood sugar not yet controlled should eat fruit with caution. 5, prevent heatstroke and dehydration. The summer weather is hot, the body moisture than the normal season to dissipate fast, this time for hydration is particularly important for diabetic patients, diabetes polyuria is due to high blood sugar, thirst is the performance of the body water shortage, if the patient still control the amount of water, it is easy to cause dehydration. Adverse consequences are: can aggravate the condition of diabetes, and even can lead to non-ketotic hypertonic coma; can increase the chance of urinary tract infection; can lead to blood concentration, easy to make the elderly diabetic patients occur cerebral thrombosis or prenephrotic renal insufficiency, etc.. Because of the special physical condition, diabetic patients can not be hydrated as normal people. It is advisable to drink a small amount of water several times, and it is appropriate to use plain water, mineral water, pure water or light tea water, it is not advisable to drink a large amount of water at one time, it is recommended that we carry out a small amount of hydration several times a day, in the case of good heart and kidney function, the amount of water can be controlled at 2200 to 2700 ml per day. Especially before going to bed and after waking up to drink a glass of water is more conducive to physical health. Do not drink drinks with high sugar content, and be careful with carbonated drinks. In summer, high temperatures and high humidity reduce outdoor activities during the day and avoid strenuous exercise in direct sunlight to avoid heat stroke.