First, the cervical spine is most afraid to blow the cervical spine against the air conditioning, the surrounding soft tissues will produce lesions, the formation of muscle and subcutaneous tissue chronic inflammation, resulting in sustained neck spasm, back pain and other consequences. It is recommended that the indoor air conditioning temperature should not be lower than 25 degrees Celsius, the back of the shoulder not directly against the air conditioner, if the temperature can not be self-regulation, you can put a shawl on the shoulder and take a hot bath at night. Second, the most afraid of drinking water fast As the temperature is high, the body will also accelerate the speed of water shortage, many people are used to gulp water. If you drink water too fast, water will quickly enter the blood, absorbed in the intestines, so that the blood becomes thin, blood volume increases, the heart is not good, especially those suffering from coronary heart disease will appear chest tightness, shortness of breath and other symptoms, serious may lead to myocardial infarction. Therefore, summer water can not drink too fast, to a small number of times. Each time you drink only 100-150 ml, the body absorbs better, but also can not be greedy cool, more than 10 degrees of warm water is best for the body. Third, the eyes are most afraid of the sun in the hot sun, the eyes are the most vulnerable organs. Experts reminded that the eyes like cool fear of heat, do not pay attention to sun protection, it is easy to premature aging, and cause all kinds of eye disease. If you want to go out at 10 a.m. to 4 p.m., it is best to wear sunglasses, hats or play umbrella, sunglasses color to teal, light green anti-UV effect is best. You can eat more eye food, such as cinnamon, yam, carrots, dates, etc.; summer bacteria multiply quickly, try to rub your eyes with your hands; wash your face with running water to reduce eye disease. Fourth, the most afraid of morning exercise early summer dawn, many people go to the park early morning exercise. But the most air pollutants in the summer, generally before 6:00 a.m. has not been fully diffused. In addition, before sunrise, because there is no photosynthesis, green plants near not only not too much fresh oxygen, but on the contrary, a large amount of carbon dioxide accumulation, which is not good for health. Therefore, the summer morning exercise time should not be earlier than 6 o’clock. Five, the home is most afraid of ash Summer sweltering heat, high humidity, making it easier for dust to adhere to the air, into the human skin and body. As the naked eye is difficult to find, people often neglect to clean up, they float in the air for a long time, and a large number of attached to the surface of the items, becoming the habitat of dust mites and mold spores in the air. These dirty things will take advantage of the opportunity to enter the respiratory system, which in turn leads to asthma, rhinitis and many other diseases. It is recommended that the summer should increase the number of cleaning, two or three days to clean once. Six, the stomach and intestines are most afraid of cold summer is a high incidence of intestinal diseases, this season, eat less too cold things, especially when you get up in the morning and before going to bed at night. In order to timely to the “gastrointestinal” warmth, eat cold food, may wish to add some ginger or mustard, can warm the stomach, sterilization.