1, it's the custom of Beijingers to stay in jiaozi from winter to the sun in summer. With the arrival of the summer solstice solar terms, the really hot summer will come slowly, so they will think that eating cold noodles and lettuce can stimulate appetite, reduce fire and increase appetite.
2. It is the custom of Wuxi people in Jiangsu to eat wonton on the solstice in summer, with a bowl of porridge in the morning and a bowl of wonton at noon. There is a proverb that says, "Wonton is served from summer to the sun, and it is served from winter to the sun, and people in Ankang are reunited in the four seasons", which means health and perfection.
It is the habit of Guangzhou people to eat litchi from summer to Sunday. They think eating lychee on the solstice in summer can relieve summer heat. They also like to eat with dog meat, thinking that they can keep fit and enhance their resistance.