The invention discloses a noncontact satellite electromagnetic conduction compatibility ground testing method which comprises the following steps of: 1, analyzing satellite power supply and distribution design and grounding design, and forming an electromagnetic conduction test matrix table; 2, carrying out stand-alone and system-level noncontact power line conduction compatibility testing; and 3, carrying out satellite-level ground line noncontact conduction compatibility testing. The method solves a problem that the satellite electromagnetic conduction compatibility cannot be noncontact ground tested comprehensively and quantitatively, verifies the validity of the satellite electromagnetic conduction compatibility design, improves the reliability of the in-orbit use of the satellite, achieves comprehensive test of the electromagnetic conduction compatibility from the system level to the satellite level, quantitatively verifies the validity of the satellite compatibility testing, is safe in a test operation process, initiates a new idea for the noncontact satellite conduction compatibility ground testing method, solve a technical bias, and can be widely used in subsequent satellite conduction compatibility testing.