The invention discloses a yam-meat-rice biscuit and a processing method thereof. The yam-meat-rice biscuit is composed of the following materials in parts by weight: 20-30 parts of broom corn millet powder, 300-350 parts of wheatmeal, 30-40 parts of yam, 15-25 parts of pumpkin, 10-15 parts of water chestnut, 30-40 parts of lean meat, 5-8 parts of bamboo fungus, 5-8 parts of shiny bugleweed, 2-4 parts of lotus powder, 8-10 parts of sweet almond powder, 6-8 parts of bitter gourd seed powder, 2-3 parts of seabuckthorn leaves, 1-2 parts of astragalus membranaceus, 2-3 parts of pumpkin flowers, 1-2 parts of polyalthia roots, 1-2 parts of golden camellia, 1-2 parts of shorthairy antenoron, 1-2 parts of trichosanthis leaves, 10-14 parts of nutrition additives and a proper amount of coix seed oil. The yam-meat-rice biscuit provided by the invention is abundant and balanced in nutrition and delicious in taste, with meat and rice aromas and unique flavor, is compatible with multiple traditional Chinese medicines, improves health care value, has the effects on enriching yin and nourishing the kidney, strengthening and protecting the stomach, reducing lipid and blood glucose and tonifying the spleen and strengthening the liver, improves body resistance, and recovers body function, thus being healthy.