It was very hot and I sat for a long time. How is a lot of red pimples on the ass?

It's called bench sore, a sore on the ass. A "surgical announcement" volume seven. Also known as wind scab, it was called acne scab in ancient times. Most of them are sitting on the bench in the sun for a long time in summer, or sitting in a hot and humid place for a long time, which makes the hot and humid toxic and causes local skin stasis. At first, I saw red itchy skin on my buttocks, or acne with big millet beans. Then, I saw that the itchy part was red, swollen and painful, such as fire, which caused more water to break and disperse, and the sore even became a piece. Treatment should dispel wind and relieve itching, clear heat and cool blood. Oral administration can choose Xiaofeng powder plus blood cooling agent, or flavored with Wuwei Disinfection Drink. For external use, decoctions such as Daphne genkwa, Zanthoxylum bungeanum and Cortex Phellodendri can be smoked and washed, or the decoction of Radix Sophorae Flavescentis can be used for sitz bath. It's equivalent to a furuncle on the hip.