An experiment of introducing sorghum varieties was conducted with the aim to investigate whether the mid-early sorghum varieties could be used as a forage crop in Qinghai plateau.The results showed that the seed of sorghum varieties studied could not mature,however,utilizing the sorghum varieties as forage crop is feasible.Well performance was observed on ’Jiza 96’,’Jiza 97’ and ’Jiza 123’.The yield of stem and leaves were 77482.4kg,55211.7kg,67410.8 kg/hm²,and the stem sugar brix were15.82%,15.86%,10.76%,respectively.