Gymnocypris Przewalskii is one of the endemic fishes in Qinghai lake. In order to provide a basis for formulating reasonable breeding protection measures, a series of investigation have been done since 1970. The works referred to its geographical distribution, habits, morphology, taxonomy, reproduction, ontogenesis, growth, food, karyotype, isozymes, breed and care and breeding technical specifications, etc. According to those reports, the author advanced some proposals about future application of this characteristic fish in laboratory animal science.