In summer, there are poria cocos, Ophiopogon japonicus, jujube, lotus seeds, lilies, bamboo leaves and arborvitae seeds, which can nourish the heart and soothe the nerves. In terms of diet, we should eat more millet, corn, beans, fish, onions, potatoes, wax gourd, bitter gourd, celery, asparagus, pumpkin, bananas, apples, etc., and eat less animal offal, egg yolk, fat, roe and shrimp. Four kinds of common summer fruits and vegetables, such as pickled cabbage, can be eaten more: except for annoying and quenching thirst, clearing heat and relieving summer heat are suitable for symptoms such as excessive heat, fluid injury, persistent summer thirst, poor appearance, sore throat and aphtha. Cucumber: green juice is crisp and delicious, with a water content of about 97%, which is a good product for promoting fluid production and quenching thirst. Fresh cucumber has the effect of clearing away heat and toxic materials, and has obvious effects on dehumidification, moistening intestines and relieving pain. People with constipation in summer should eat more peaches: promoting fluid production to quench thirst, relaxing bowels, and not being full. Eat two bitter melons that pay attention to psychological adjustment after lunch and dinner every day: bitter gourd tastes sweet and bitter, and cold and old melons gradually turn yellow and red, sweet and flat. It can clear away heat and pathogenic factors, relieve fatigue, clear heart and improve eyesight. People who are tired from work can eat more.