A power state conversion method, comprising: under a first predetermined condition, determining (S202) a time pattern used for describing a transmit power state conversion duration of a signal, wherein the first predetermined condition comprises at least one of the following: an interval exists between a position of a time domain resource used for transmitting a sounding reference signal and a position of a time domain resource used for transmitting a demodulation reference signal when a terminal transmits the sounding reference signal, a transmission priority of a first signal corresponding to a first traffic type supported by the terminal is higher than a transmission priority of a second signal corresponding to a second traffic type supported by the terminal, and the first signal corresponding to the first traffic type supported by the terminal needs to occupy a time-frequency domain resource used for transmitting the second signal corresponding to the second traffic type supported by the terminal, wherein a time domain resource used for transmitting the second signal is greater than or equal to a corresponding time domain resource used for transmitting the first signal; and converting (S204) a transmit power state of the signal according to the time pattern, wherein the transmit power state comprises one of: a transmit power on state, a transmit power off state and a magnitude of a transmit power of the signal in the transmit power on state. under a first predetermined condition, determining (S202) a time pattern used for describing a transmit power state conversion duration of a signal, wherein the first predetermined condition comprises at least one of the following: an interval exists between a position of a time domain resource used for transmitting a sounding reference signal and a position of a time domain resource used for transmitting a demodulation reference signal when a terminal transmits the sounding reference signal, a transmission priority of a first signal corresponding to a first traffic type supported by the terminal is higher than a transmission priority of a second signal corresponding to a second traffic type supported by the terminal, and the first signal corresponding to the first traffic type supported by the terminal needs to occupy a time-frequency domain resource used for transmitting the second signal corresponding to the second traffic type supported by the terminal, wherein a time domain resource used for transmitting the second signal is greater than or equal to a corresponding time domain resource used for transmitting the first signal; and an interval exists between a position of a time domain resource used for transmitting a sounding reference signal and a position of a time domain resource used for transmitting a demodulation reference signal when a terminal transmits the sounding reference signal, a transmission priority of a first signal corresponding to a first traffic type supported by the terminal is higher than a transmission priority of a second signal corresponding to a second traffic type supported by the terminal, and the first signal corresponding to the first traffic type supported by the terminal needs to occupy a time-frequency domain resource used for transmitting the second signal corresponding to the second traffic type supported by the terminal, wherein a time domain resource used for transmitting the second signal is greater than or equal to a corresponding time domain resource used for transmitting the first signal; and converting (S204) a transmit power state of the signal according to the time pattern, wherein the transmit power state comprises one of: a transmit power on state, a transmit power off state and a magnitude of a transmit power of the signal in the transmit power on state. <EOS>