Drinking hot water in summer is a good health care habit. Drinking hot water in summer, the outside temperature is higher, a cup of hot water can moisten the gastrointestinal tract and replenish the body fluids lost in the gastrointestinal tract, thus improving constipation, dry stool and constipation. Drinking hot water in summer can also increase metabolism, and excrete turbid waste and liquid in the body through sweat and urine, which can increase the preventive effect of urinary system and increase the immune function and defense function of respiratory tract. Drinking hot water in summer can also prevent the gastrointestinal tract from being attacked by cold, leading to imbalance of yin and yang of viscera. If you drink cold beer and cold drinks because you are greedy for cold, it will damage the yang of the viscera. Once yang is injured in summer, it will form other symptoms such as visceral imbalance over time, such as cold in the spleen and stomach and stomachache. Hot water can greatly improve this symptom. For rheumatism, rheumatoid arthritis in winter, or dysmenorrhea in women, hot water can be used to improve it. Drinking hot water in summer can make the body sweat slightly, and osteoarthropathy left over from the past can be gradually dragged out of the body through sweating. However, it should be noted that it is necessary to avoid wind and cold. In summer, the pores are open, and once you feel cold, it will make your condition worse.