In summer, we often eat duck, longan, herbal tea, sour plum soup and so on. 1, Duck: Nanjing has the custom of eating ducks in summer. People will go to the deli to buy half a duck and make it into "radish old duck pot", "braised duck slices" and other delicacies. 2. Longan: It is hot in summer. Fuzhou people are used to eating longan, peeling it and soaking it in porridge. three