A configuration method for resource sharing among multiple wireless links is provided. The multiple wireless links include a first link and a second link, or include a first link, a second link and a third link. In the method, P-Q configuration is performed on a set N formed by a group of continuous units, and a set P configured for downlink transmission of the second link/third link and a set Q configured for uplink transmission of the second link/third link in the set N are determined; U-V configuration is performed on the set N, and a set U configured for downlink transmission of the first link/third link and a set V configured for uplink transmission of the first link/third link in the set N are determined; and a set S for uplink transmission of the second link/third link and downlink transmission of the second link/third link is determined.