The utility model relates to a single chip microcomputer control field especially relates to a low -power consumption singlechip formula power supervisory control. It includes action part and standby part, the action part is equipped with working power supply, a DCDC power conversion module, singlechip, the 2nd DCDC power conversion module, peripheral device and high pressure module. The utility model discloses avoid the singlechip in standby stage power conversion module and standby sustaining consumption, greatly reduced the whole consumption in system's standby stage, and utilized clock chip to accomplish the dormancy and awaken the task up, improved the stability of system.