Chinese herb galactagogue for cows during the middle period of milk production

The invention relates to a Chinese herb galactagogue for cows during the middle period of milk production, in ruminant feed additives. By utilizing the pharmacological actions of humulus japonicus, such as clearing heat and detoxicating drug, benefiting qi and enriching blood, strengthening the body resistance to eliminate pathogenic factors, nourishing yin and supporing yang, benefiting three cavities, digesting five cereals and benefiting five internal organs, as well as the characteristics of activating blood and dissolving stasis, regulating vital energy and stimulating the secretion of milk, regulating the microecological balance of gastrointestinal tract, the Chinese herb galactagogue for cows during the middle period of milk production is prepared. The additive of the Chinese herb galactagogue is characterized by taking humulus japonicus extract as a main drug, 50% vitamin E powder and Na2SeO3.5H2O as adjuvant drugs, and corn starch, anhydrous glucose and maltodextrin as carriers, having no residue and toxic- and side effects, being capable of lowering speed of milk yield after the peak period of milk production, namely the middle period of milk production, improving the milk yield of single individual in the whole period of milk production, enabling the Chinese herb of humulus japonicus to be popularized and enhancing the utilizing rate of the humulus japonicus.