2. Boiled eggs with shepherd's purse is a kind of home-cooked dish with a wide range of folk customs, which means that shepherd's purse and eggs are cooked together in a pot with water, and are usually cooked before and after Tomb-Sweeping Day. There is a saying that "shepherd's purse boils eggs on March 3" (Qingming is the solar term in the solar calendar, and March 3 is the date of the lunar calendar, which may be nearly a month apart); This dish has the functions of cooling blood, stopping bleeding, tonifying deficiency and strengthening spleen, clearing heat and promoting diuresis.