Summer is the14th solar term among the 24 solar terms, which is a solar term after beginning of autumn and before the Millennium. The node time is around August 23rd in Gregorian calendar, and the sun reaches longitude 150. The solar terms in summer are in the alternate period from hot to cool, and the yang in nature tends to converge from venting, and the ups and downs of yin and yang in the human body also change accordingly. At this time, it is not appropriate to rush to increase clothes. Just keep warm in the morning and evening. Keep your feet warm. It's important to wear socks. At this time, you can naturally ventilate and enjoy the cool without turning on the air conditioner. The diet is mainly warm and tonic, and try to eat less spicy food.