This study aims to evaluate the salt tolerance of Guangdong Simiao rice varieties during the germination and seedling stages, providing a scientific basis for variety selection and theoretical guidance for Simiao rice production. Fifteen Guangdong Simiao rice varieties were selected as research objects, and their performance at different growth stages was observed through salt stress treatment, with specific evaluation indicators including germination rate and seedling survival rate. The research results show that salt stress significantly inhibits the seed germination rate and germination potential of Simiao rice varieties. Notably, during the germination and seedling stages, hybrid rice shows stronger tolerance compared to conventional rice, especially 'Qingxiangyou 19 xiang' and 'Ruanhuayoujinsi', which exhibit higher salt tolerance. In the seedling stage, varieties such as 'Xiangxiuzhan', 'Lixiangzhan', 'Nanjingxiangzhan', 'Hengfengyouyouxiang', and 'Gengxiangyoulisimiao' also show higher salt tolerance. Given the significant differences in salt tolerance among different varieties, it is recommended to give priority to varieties or hybrids with stronger salt tolerance after comprehensively considering other variety demand factors. In addition, different measures should be adopted for different varieties when facing salt stress to improve yield stability.