Disclosed in the embodiments of the present disclosure are a parameter configuration method and related products, the method includes indicating, by a network device, at least one preset parameter of a PT-RS to a terminal, wherein the at least one preset parameter of the PT-RS is configured for at least one BWP of the terminal, and the at least one preset parameter is used for indicating resource information that needs to be used by the terminal when the terminal sends or receives the PT-RS on the at least one BWP; and instructing, by the network device, the terminal to select, when performing transmission on an activated BWP among the at least one BWP, a preset parameter corresponding to the activated BWP from the at least one preset parameter.