The invention discloses mixed oil and fat capable of preventing and treating cardiovascular diseases. The mixed oil and fat consists of the following raw materials in parts by weight: 1-10 parts of fish oil, 1-10 parts of perilla herb oil, 1-10 parts of pomegranate seed oil, 12-80 parts of vegetable oil and fat, 0.9-1.5 parts of a stabilizing agent and 0.4-0.6 part of a fragrance additive, whereinthe weight ratio of EPA to DHA in the fish oil is (6-9) to 1, and the weight of the EPA and the DHA is 50-95% of that of the fish oil. The mixed oil and fat disclosed by the invention has notable treatment effects of preventing and treating the cardiovascular diseases; through scientific blending, the mixed oil and fat contains EPA, flavone, oryzanol, sterol, punicic acid, VE, phytosterol and thelike, has good treatment effects on heart and cerebral vessels, can regulate fat metabolism, can prevent and treat arteriosclerosis, can reduce blood cholesterol and blood viscosity, can restrain platelet aggregation and can improve blood circulation; and the mixed oil and fat can have the effects of reducing low-density protein, increasing high-density lipoprotein, recovering the elasticity of blood vessels, increasing the blood flow of coronary arteries, and preventing and treating arteriosclerosis and high blood pressure, so that the purposes of preventing and / or treating the cardiovascular diseases and particularly treating coronary heart diseases and the high blood pressure can be realized.