The paper takes the “Media Gender-Sensitive Indicators” （GSIM） which released by the UNESCO in 2012 as a research tool，monitoring all the commercial advertisements broadcasted by the Central People Broadcasting music radio（The most authoritative music radio channel in china）on June 6，2014. It analyzes the ads samples and elaborates each conclusion from the following four aspects：The proportion of male and female voices，the proportion of male and female who shows confidence，the proportion of male and female playing different roles and natural gender stereotyping. In addition，it also makes a qualitative research on the issues of the imbalance between male and female voices and stereotyped gender performance. <<