Abstract: Transmission thinking is a kind of thinking mode with strong logical response. With sufficient motivation and analysis methods, reasonable conclusions are derived step by step to achieve the goal. Sponge city construction planning needs to be prepared in accordance with local conditions, as well as being rational and pragmatic. Taking the sponge city construction planning of Songjiang District in Shanghai as an example, this paper studied the basic concept and connotation of the transmission thinking, discussed the application of the transmission thinking in the sponge city construction planning in combination with the preparation ideas, contents, technical methods, etc., and initially summarized the preparation methods of the sponge city construction planning based on the transmission thinking, in order to provide reference and technical support to the sponge city construction planning rationally.