As we all know, many modern chronic diseases such as diabetes, hypertension, constipation, etc. are closely related to our daily eating habits. If we can change our bad habits in life and develop good habits, it will undoubtedly be beneficial for us to prevent these diseases and health care. The author through long-term clinical practice summary, to introduce you to the diet, water, exercise three principles, I hope it can help you. 1, normal diet (1) three meals a day regularly rationed breakfast eat well, lunch eat full, dinner eat less. Try not to add meals outside the three meals, if hunger is unbearable, you can drink warm water. (2) food should be a variety of coarse and fine grains, meat and vegetables, low salt and low fat, light and less stimulating, less cold and cold food. (3) constipation or chronic gastrointestinal disease patients every morning with one or two oatmeal, a pound of cold water for five minutes, long-term eating can promote defecation, protection of the gastrointestinal tract. 2, correct drinking water (1) the daily water intake of 1500 to 2000ml, preferably warm water, juice drinks in small amounts, avoid drinking strong tea, coffee. (2) drink water several times do not wait until you are thirsty to drink water, do not drink a lot of water. (3) get up in the morning to drink a glass of warm water can effectively replenish water, promote metabolism. Do not drink water before going to bed at night, so as not to get up at night and affect sleep. 3, reasonable exercise (1) daily fast walking 3 kilometers, 30 minutes to walk, so that they slightly sweat is better. (2) daily sit-ups, step by step, long-term persistence, can exercise the abdominal back muscles, beneficial to patients with gastrointestinal disease. (3) daily practice of the eight duanjin, very beneficial to spinal disorders, suitable for sedentary ambulatory workers.