Compound norfloxacin double-layered suppository for animals, and preparation method thereof

For meeting market demands for products for veterinary use, the invention provides a compound norfloxacin double-layered suppository for animals for treatment and prevention of livestock postpartum infection, and is characterized in that the double-layered suppository, which is advanced in technology, contains a rapid-release part and a slow-release part, the unique rapid-release slow-release double-layered structure can help to control medicament diffusion and control successive release of different medicaments, and therefore the purposes of quick response, long acting time are achieved. Simultaneously, the invention also provided a preparation method of the compound norfloxacin double-layered suppository for animals, and the preparation method has advantages of being good in reappearance, low in cost and suitable for industrialized production.