The history ant advance of the studies on hybrid repeseed in China were presented in this paper.The planting area of rapeseed hybrids is over 0.4 million hectares this year(l990)in China.Four hybrids have passed the regionl test and cultivar examination in provinces.Now, eighteen rapeseed hybrids of B. napus are taking part in the regional test in provinces. The situation of the development of the spontaneous hybrid,self-incompatible hybrid,chemical induced male sterile hybrid,genie male sterile hybrid and ...