7011S is a new indica type thermo-sensitive genic male sterile line, bred by the Rice Research Institute of Anhui Academy of Agricultural Sciences derived from the cross of 1892S and Gumei 4. It has the characteristics of good plant type, high chlorophyll content, strong tillering ability, low critical temperature of fertility alteration, high outcrossing rate, high combining ability, wide adaptability and so on. It was registered by the Anhui Provincial Crop Variety Approval Committee in 2019. The new two-line hybrid indica rice combination Liangyou 7002, developed by crossing 7011S as the female parent and R202 as the male parent, has the characteristics of high quality, high yield, and stress resistance. It was approved by the National Crop Variety Approval Committee in 2022.