After the "long summer", the temperature rises, the weather is sultry, and people's spleen and stomach function is relatively weak after being stimulated by high temperature. Therefore, people should eat less big fish and meat in their diet and eat more digestible food. The following is the recommended soup spectrum for clearing away dampness, promoting fluid production and quenching thirst. Key points of material selection: the rhizome of cogongrass is produced in Liaoning, Hebei, Shanxi and other places in China, and mostly grows on hillsides, roadsides and grasslands, especially in the north. Using cogongrass rhizome to make soup, it is best to choose fresh cogongrass rhizome for better effect. It should be noted that in some areas, it is mixed with the plant white grass. Grass roots are light and elastic, and there are many cracks in the epidermis of the cross section, which are easy to peel off from the stele like wheels. There is a small hole in the middle. White grass is hard and brittle, and there is no crack on the surface of the section. There are many white pith in the center, and there are few cavities. Everyone should pay attention to identification when buying. Stewed pork bone with bamboo and rattan of imperata rhizome: ingredients: (fresh) imperata rhizome 30g, bamboo and rattan 100g, pork bone 100g( 1 serving). Practice: wash and soak cogongrass rhizome; Clean bamboo poles and cut them into sections; Wash the pig bones, put them in a casserole with ginger, add water 1200ml(5 bowls), bring the pot to a boil with strong fire, then simmer for 2 hours, and add appropriate amount of salt. Expert comment: cogongrass rhizome. As a traditional Chinese medicine for cooling blood, it is cold and cool in nature, but sweet in taste, and can clear away heat and cool blood, promote fluid production and quench thirst. Bamboo cane is a variety of sugarcane, which is cold and sweet, and is often used as a folk seasoning to reduce fire in Guangdong. Traditional Chinese medicine believes that it has the effects of clearing away heat and moistening lung, nourishing liver and spleen, promoting fluid production and detoxifying. Generally speaking, this medicated diet is not dry and sticky, fresh, sweet and delicious, and it can clear away heat and promote fluid production. It is a delicious soup suitable for summer health care. Applicable people: In hot summer, people who sweat a lot, are thirsty, thirsty, have a hot heart and have short and yellow urine are most suitable to drink this soup. It is worth noting that due to the cold nature of cogongrass rhizome and bamboo cane, people with spleen and stomach deficiency and excessive urination should use it with caution.