The best condiment for health preservation in summer-vinegar sweats more in hot days, and being jealous can increase the concentration of gastric acid, help digestion and absorption, and promote appetite. Vinegar also has strong antibacterial ability, which can kill Staphylococcus pyogenes in a short time. It can prevent intestinal infectious diseases such as typhoid fever and dysentery. In summer, people are prone to fatigue, drowsiness and discomfort. Being jealous will quickly relieve fatigue and maintain abundant energy. Although vinegar has a good health care function, some drugs are afraid of jealousy. It's best not to be jealous when taking these drugs. Bitter vegetables, the best vegetables, have high temperature and humidity in summer, which often make people listless, tired, dizzy, anorexia and emaciated. At this time, it is of great benefit to eat hard food. Because bitter food is rich in alkaloids, amino acids, bitterness, vitamins and minerals with the functions of relieving summer heat and relieving annoyance, refreshing and invigorating the stomach. You can choose bitter gourd, bitter vegetable, celery, lily, lotus seed and so on. The best soup-tomato soup Drinking tomato soup in summer can not only get nutrition, but also replenish water. The tomato soup after burning and cooling contains lycopene, which has certain anti-prostate cancer and heart protection effects, and is most suitable for men to drink. The best meat duck is suitable for light food in summer, but it can still be supplemented. Duck meat is not only rich in nutrients such as protein, which is badly needed by human body in summer, but also can prevent and treat diseases. The secret is that duck is a kind of cold waterfowl, especially suitable for people who are hot and hot inside. The best drink-hot tea in summer is inseparable from drinks. The first choice is not all kinds of cold drinks, beer or coffee, but ordinary hot tea. Tea is rich in potassium, which can quench thirst and eliminate fatigue. According to the experiments of British experts, the cooling capacity of hot tea greatly exceeds that of cold drinks, and it is the best in summer drinks. The best nutrient-vitamin E German scientists emphasize that people will encounter three major dangers in summer, namely strong sunlight, ozone and fatigue, and vitamin E can minimize these three dangers. Malt, bran bread, walnut sauce, dairy products and other foods are rich in vitamin E.