A measurement signal transmission method, comprising: determining a physical resource block for deploying a measurement signal, wherein the physical resource block is a subset of all physical resource blocks in frequency domain corresponding to a channel bandwidth of user equipment, wherein the physical resource block comprises at least two physical resource blocks at consecutive locations; or wherein the physical resource block comprises at least two physical resource blocks at evenly-spaced locations; determining a resource element corresponding to the physical resource block according to a mapping relationship between the physical resource block and the resource element; and transmitting the measurement signal to the user equipment by using the resource element, wherein the measurement signal is used by the user equipment to measure channel information, wherein the channel information comprises at least one of reference signal received power RSRP, a received signal strength indicator RSSI, or reference signal received quality RSRQ; wherein the method further comprises: sending a resource indication message to the user equipment, wherein the resource indication message indicates the physical resource block occupied for deploying the measurement signal and/or the physical resource occupied for transmitting the measurement signal; wherein the resource indication message is a primary synchronization signal, PSS, and a root sequence of the PSS indicates the physical resource block occupied for deploying the measurement signal. determining a physical resource block for deploying a measurement signal, wherein the physical resource block is a subset of all physical resource blocks in frequency domain corresponding to a channel bandwidth of user equipment, wherein the physical resource block comprises at least two physical resource blocks at consecutive locations; or wherein the physical resource block comprises at least two physical resource blocks at evenly-spaced locations; determining a resource element corresponding to the physical resource block according to a mapping relationship between the physical resource block and the resource element; and transmitting the measurement signal to the user equipment by using the resource element, wherein the measurement signal is used by the user equipment to measure channel information, wherein the channel information comprises at least one of reference signal received power RSRP, a received signal strength indicator RSSI, or reference signal received quality RSRQ; wherein the method further comprises: sending a resource indication message to the user equipment, wherein the resource indication message indicates the physical resource block occupied for deploying the measurement signal and/or the physical resource occupied for transmitting the measurement signal; wherein the resource indication message is a primary synchronization signal, PSS, and a root sequence of the PSS indicates the physical resource block occupied for deploying the measurement signal. sending a resource indication message to the user equipment, wherein the resource indication message indicates the physical resource block occupied for deploying the measurement signal and/or the physical resource occupied for transmitting the measurement signal; wherein the resource indication message is a primary synchronization signal, PSS, and a root sequence of the PSS indicates the physical resource block occupied for deploying the measurement signal.