Cordyceps sinensis (Berk.) Sacc is a Chinese tranditional medicinal fungus. The Cordyceps sinensis resources in Qinghai Province's distribution area are mainly south the plateau Yushu, Guoluo two states, also has the distribution middle Qinghai province. RAPD technique is used in analyzing the genetic diversity of 20 samples from five different regions of Qinghai province, the results would reveal the genetic background of Cordyceps sinensis of Qinghai Province and provide the basic information for protecti...