A method for determining quasi co-located (QCL) information, a method for configuring the QCL information, and related devices are provided. The method for determining the QCL information includes: receiving first indication information transmitted by a network device, wherein the first indication information is used to indicate a first QCL relationship between a first positioning reference signal and a target object; and according to the first QCL relationship, determining a QCL reference signal of the first positioning reference signal, or determining a QCL reference signal of the target object.