Compound spraying and film agent for dairy cows, and preparation method thereof

The invention belongs to the technical field of veterinary medicine preparations, and discloses a compound spraying and film agent for dairy cows. The spraying and film agent is prepared from the following components in parts by weight: 1-5 parts of povidone iodine, 0.1-2 parts of clove oil, 2-8 parts of dimethyl sulfone, 3-10 parts of a film-forming agent, 0.5-2 parts of a thickening agent, 0.5-2parts of a wetting agent, 0.5-2.5 parts of a transdermal absorption enhancer and 70-90 parts of a solvent, wherein the solvent is a mixture of an alcoholic solvent and an aqueous solvent. According to the compound spraying and film agent, the povidone iodine, the clove oil, borneol/menthol and the dimethyl sulfone are taken as the main compound components; the dimethyl sulfone is applied to the spraying and film agent for the mastitis of the dairy cows for the first time, so that the antibacterial and disinfection capability of the povidone iodine and the clove essential oil is improved, thehealing of the breast woun