The invention provides a formula of a meat rabbit feed and a preparation method thereof. The feed contains a coarse feed, a plant feed and a Chinese herbal medicine additive. The formula of the meat rabbit feed comprises the following components: a coarse feeder including corn flour, tapioca flour, peanut meal, bean pulp, rice bran, bone meal and aginomoto; a plant feed including ryegrass, oat grass, timothy grass, radish leaves, sweet potato stem and carrot; a Chinese herbal medicine additive including plantain herb, dandelion, purslane, mother chrysanthemum, honeysuckle, folium isatidis and radix isatidis. The meat rabbit feed disclosed by the invention is wide in source, low in cost, abundant in nutrient, and free of antibiotics and hormones; the culture-cycle of the meat rabbit can be shortened, the immunity of the meat rabbit is enhanced, and the economic benefits of meat rabbit breeding are improved.