In recent years, the detection rate of multiple primary lung cancers has been increasing year by year. However, there existed discrepance in cognition and treatment modalities for multiple primary early lung cancers among different physicians, which affects the standardized treatment for early-stage multiple primary lung cancers. Therefore, based on a thorough review of domestic and foreign literature, our team proposes this expert consensus focusing on the treatment of early-stage multiple primary lung cancers in China, aiming at providing reference for physicians in early-stage multiple primary lung cancers' treatment and further improving the level of standardized diagnosis and therapy of lung cancer in China.