The invention discloses a reset circuit based on a low-voltage detection function. The reset circuit with simple structure and low power consumption comprises a voltage detection module, a reset output module, a voltage amplification module, a voltage shaping A module, and a voltage shaping B module, wherein the voltage detection module is used for forming a threshold voltage value which is needed by the reset circuit to generate a reset signal, and determining the working state of the reset circuit in the voltage electrifying or power down process of a VDD (Virtual Device Driver) power supply according to the threshold voltage value; the reset output module is used for outputting a low level to serve as a reset signal when the reset circuit is in an unnormal work state, and outputting a high level when the reset circuit is in a normal work state; the voltage amplification module is used for outputting a low level to serve as a memorizer lock enable signal when the reset circuit is inan unnormal work state, and outputting a high level to serve as a memorizer enable signal when the reset circuit is in a normal work state; the voltage shaping A module is used for shaping the outputvoltage of the reset output module; and the voltage shaping B module is used for shaping the output voltage of the voltage amplification module.