1, long summer eggs: Jiangsu, Zhejiang and Shanghai will eat salted eggs, and long summer will eat eggs on this day, which is called "summer supplement". Salted duck eggs are the best, because salted duck eggs are rich in inorganic salts such as calcium and iron, and the calcium content and iron ratio are higher than those of eggs and fresh duck eggs, so they are the first choice for supplementing calcium and iron in summer. "long summer Egg" is the most classic food in long summer that day. Eating it can prevent the common discomfort such as loss of appetite, fatigue and limb weakness in summer. Long summer eggs can be boiled eggs or salted duck eggs. If you cook eggs, you usually cook them with tea powder or walnut shells, and watch the eggshells turn red slowly and smell delicious all over the house. Salted duck eggs are rich in calcium and iron, so you can try it.

2, black rice: black rice, black and shiny, fragrant and delicious, from glutinous rice soaked in black leaves for several hours and then cooked. On this day in long summer, everyone in the south of the Yangtze River loves to eat. It is said that this custom originated from Sun Bin, a famous strategist in the Warring States Period. There is also a legend among the people that after eating black rice, long summer won't be bitten by mosquitoes in summer, and it's not easy to get heatstroke. Black rice was originally a folk festival food of Han nationality, which existed in Tang Dynasty. In Jiangsu and Anhui, it has become a custom that many people cook black rice with the leaves of Vaccinium bracteatum.

3. Seven porridge: long summer, a rural area in Zhejiang, must eat "seven porridge", which is also called "seven tea". Seven porridge is a large pot of porridge made of rice from neighbors, beans and brown sugar, which is shared by everyone. Seven Chaze families brought Bai Jixin's baked tea, cooked it after mixing or soaked it into a big pot of tea, and then everyone gathered together to drink it. Every time people in Hangzhou come to long summer, they have to cook a new meal and prepare fruit cakes. Between relatives and neighbors, they offer tea to each other and give gifts, which is called "long summer eats seven teas".

4. Taste three delicacies: Wuxi folks have always had the custom of long summer tasting three delicacies. The three fresh foods are divided into three fresh foods: ground, tree and water. The three fresh plants are broad bean, amaranth and cucumber (amaranth, wheat, broad bean, amaranth, broad bean and garlic sprout); Three fresh trees are cherry, loquat and apricot (one is plum, apricot and cherry, and the other is plum, cherry and toon head); Three fresh waters are sea-fish, puffer fish and shad (shad, pomfret and yellow croaker, but also shad, whitebait and mackerel). Among them, tasting fresh ground is the most common.