The invention relates to an Australia lobster Chinese herbal medicine feed additive which is characterized by consisting of the following components in parts by weight: 3-8 parts of common andrographis herb, 2-8 parts of felwort, 4-9 parts of inkfish powder, 5-10 parts of selfheal, 10-18 parts of isatis root, 6-10 parts of codonopsis pilosula, 5-10 parts of common andrographis herb, 6-12 parts of skullcap, 3-5 parts of clover, 1-2 parts of bitter gourd flower, 3-5 parts of cushaw flower, 1-2 parts of dragon's tongue leaf, 1-2 parts of pseudostellaria maximowicziana and 10-15 parts of the root of Chinese pulsatilla. The Australia lobster Chinese herbal medicine feed additive is mainly used for improving the moist resistance, heat resistance, virus resistance and growth promotion capacity of Australia lobster under high-temperature high-density breeding conditions; the Chinese herbal medicine additive has the effects of clearing away heat and toxic materials, resisting bacteria, diminishing inflammation and resisting viruses, the body balance and physiological functions of the Australia lobster are regulated, the digestive absorption is improved, and the growth is promoted. Moreover, the cost of the feed is greatly reduced through adoption of raw materials which are both medicine and food, so that healthy and safe shrimp culture is possible.