Compound florfenicol injection for animal

The invention discloses compound florfenicol injection for an animal. Every 1,000ml of the compound florfenicol injection contains 50 to 300g of florfenicol, 50 to 300g of doxycycline hydrochloride, 150 to 800g of organic solvent, 5 to 90g of complexing agent and 0.2 to 1g of antioxidant. The compound florfenicol injection has the advantages that: (1) the preparation is high in complexation degree and stable in quality, and the doxycycline hydrochloride injection is instable in property; (2) the injection is low in dosage and convenient to use, and the injection twice can be finished at one time; (3) the injection greatly saves the labor cost for veterinary medicine under an intensive feeding condition; and (4) the production of the preparation is controllable in terms of technical conditions, the injection is suitable for industrial production, various raw and auxiliary materials are needed to be accurately weighed in the production process, only the reaction temperature and the reaction time are needed to be controlled without any special technical requirement, and the production technology is easy to master and control.