The invention relates to a green premixed feedstuff for pigs, which is prepared from the following raw materials by a predetermined proportion: astragalus root, haw, malt, rhizoma dioscoreae, grape seeds, purple perilla seed, spine date seed, licorice root, medicated leaven, prepared rhizome of rehmannia, dandelion, matrimony vine, carrot powder, oxyneurine powder, green bean powder, acanthopanax root powder, bitter gourd powder, radish seeds, powder of Chinese scholar tree leaves, clove, cardamom, iodine salt, cane sugar, gourmet powder, Chinese anise, ginger powder, cassia bark, zeolite powder, medical stone powder, sepiolite powder, soya bean waste flour, barley powder and groundnut meal.