Yellow flower is the bud of perennial herbs in Liliaceae and Hemerocallis, and it is a seasoning vegetable in Sichuan. The flowering period is August, and the picking period varies with different varieties. Rich in protein, carotene, riboflavin, phosphorus, iron and other mineral elements, it is a treasure on the table. Has the auxiliary effects of diminishing inflammation, clearing away heat, stopping bleeding, inducing diuresis, promoting lactation and invigorating stomach.