The invention discloses a wind and optical energy hybrid power supply system for a power internet of things node. The system comprises a wind power generator, a solar panel, a storage battery pack, a wind and optical energy complementation controller, a DC-AC inverter, a DC-DC transformer, an unloading device, a monitoring unit, a 3G wireless communication module, a state data server and a mobile phone user end. According to the invention, the system makes up for the power supply defects of wind power and optical power independent systems respectively in resources, guarantees normal operation of power internet of things terminals especially remote areas or under an unattended condition, at the same time, remotely monitors the system through a mobile end, timely grasps system real-time information and fault information, and also has the advantages of simple apparatus structure, high system reliability, low cost, real-time and convenient monitoring, high energy utilization rate and high environmental friendliness.