CMS in rapeseed is of tremendous importance in its commercial application in hybrid seed production.It is a great significance on studying the mechanism of cytoplasmic male sterility(CMS) for the effective use of heterosis and creating superior combination.This paper introduced the current major types of CMS in Brassica napus L.such as Ogu CMS,Pol CMS,Nap CMS and so on.We also reviewed the progresses of infertility-related sites or fragments of CMS in the mitochondrial genome,and the main points of the ster...