Aminoproline hydrochloride is used in chickens, rabbits, calves and lambs, and is effective against Eimeria tender and pile of chicken and against coccidia lamb and calves. It can be used in combination with other drugs to make water dispersing agent or premix agent. It is the main anticocciditic drug for laying hens. The product has low toxicity, large safety range, less residue and no need to stop the drug period. It was prepared with ethoxamide phenylmethyl ester and sulfaquinoxaline compound to enlarge the anti-coccidian spectrum and enhance the anti-coccidian effect. The combination with sulfaquinoxaline also has a good inhibitory effect on concurrent bacterial infection, and is a widely used anticoccidial drug at present.