Eat more cool vegetables: promote fluid production to quench thirst, relieve summer heat, clear heat and purge fire, and detoxify and relieve constipation. What vegetables are cold to eat in summer? Cucumber vegetables are bitter gourd, cucumber, melon, towel gourd and watermelon except pumpkin, while tomatoes, eggplant and celery are cool vegetables. Eat more "sterilized" vegetables: The summer temperature is high, and pathogenic bacteria breed and spread quickly, which is a season with frequent diseases, especially intestinal infectious diseases. At this time, eating more "sterilized" vegetables can prevent diseases. This kind of vegetables include: garlic, onion, leek, green onion, leek, green garlic, garlic sprout and so on. Among them, the most prominent role is garlic, which is best eaten raw, but in moderation. Eat more melon vegetables: Summer is the peak season for cucumber, towel gourd, bitter gourd, bergamot, pumpkin, watermelon and other melon vegetables, and their common feature is that the water content is above 90%. Among them, the water content of wax gourd ranks first among other dishes, reaching 96%. In other words, eating 500 grams of melons and vegetables is equivalent to drinking 450 ml of high-quality water.