An electronic device includes: an acquisition circuit, configured to collect the current environmental information for characterizing the environment of the electronic device; a processing circuit, configured to receive the current environmental information from the acquisition circuit; determine a target frequency control word corresponding to the current environmental information according to a preset expected operating status of the electronic device; and input the target frequency control word to the TAF-DPS clock generator; the TAF-DPS clock generator, configured to generate a clock signal according to the target frequency control word, and output the clock signal to a functional circuit; the functional circuit, configured to operate in accordance with the clock signal to make the electronic device reach the expected operating status.