The present invention relates to a small ruminant semen freezing diluent, comprising, for each 100 ml, the following components: 2.71 g of trihydroxymethyl aminomethane, 1.4 g of citric acid, 1.0 g of monosaccharide, 5-20 ml of fresh egg yolk, 0-10 ml of osmotic protective agent, 0.1 million IU of penicillin, 0.1 million IU of streptomycin, 50-600 mMol of inositol compounds, 0.1-50 μMol of resveratrol, and the rest of ultra-pure water. In this invention, resveratrol is firstly and successfully applied to the small ruminant semen freezing field, improving the quality of the frozen semen, thereby being low in costs, stable in chemical property, and simple and easy to use.
