Ground vegetables, also called shepherd's purse, are wild vegetables, but they are rich in nutrients, containing a lot of carotene, B vitamins and vitamin C, and the content of calcium and iron is also relatively high, which has the effects of clearing away heat and stopping bleeding, clearing the liver, improving eyesight, diuresis and detumescence. "On March 3rd, local dishes are boiled with eggs" is a common saying in Jiangnan area. A week before and after March 3, you can enjoy "boiled eggs with local dishes".