The invention discloses a composite additive for improving reproductive performance of female raccoon dogs. The composite additive is fed in a mating period, can enhance ovarian function, promote follicle development and maturation, effectively reduce the phenomena of estrus retardation, non-concentration, unconspicuousness, no ovulation, missed mating and the like of female raccoon dogs, and improve the mating rate and reproductive rate of female raccoon dogs. After mating, the additive is fed, luteinizing in bodies of the female animals is promoted, implantation of fertilized eggs is promoted, the phenomena that the fertilized eggs are not implanted, false pregnancy occurs, nonpregnant occurs, embryonic absorption occurs and the like are prevented and reduced, and the pregnancy rate andthe farrowing rate of the female animals are increased; the late pregnancy period is the highest nutritional requirement period of the fetus, and the product can promote the nutritional absorption ofthe fetus and ensure the healthy development of the fetus, thereby reducing the occurrence of dead fetus, rotten fetus, dystocia, abortion, weak cubs and the like; and when the product is continuouslyused in the lactation period, female animals can be promoted to secrete milk, the lactation yield is increased, the lactation period is prolonged, and the phenomena of weak piglets, turning around and the like caused by hypogalactia are reduced, so that the survival rate, the healthy piglet rate and the uniformity of the piglets are improved.