With the rapid development of Beidou satellite navigation and positioning technology and the wide application of related services, a certain type of lifesaving radio is equipped with Beidou positioning and short message communication functions, and the test requirements of Beidou positioning communication performance in product repair are followed.Based on the analysis of the functional structure characteristics of the lifesaving radio and its Beidou positioning communication unit, the technical indicators of Beidou positioning communication of lifesaving radio is analyzed deeply from the technical principle of Radio Determination Satellite Service (RDSS), and the performance testing items in its repair process is identified.A wireless radiation machine performance testing scheme covering the Beidou antenna and core unit is designed, and the Beidou positioning communication performance testing process and specific testing methods are given.The technical support for the repair of other Beidou satellite navigation products and the independent maintenance capability of new lifesaving radios can be provided.