A piezoelectric type road vibration energy collecting system comprises a load transfer component, a piezoelectric power generation element and an energy collecting device, wherein the piezoelectric power generation element and the energy collecting device are installed in the load transfer component, and the energy collecting device comprises a voltage regulating circuit connected with the piezoelectric power generation element, a rectifying circuit connected with the voltage regulating circuit, a control circuit connected with the rectifying circuit, and an energy storage circuit connected with the control circuit. A stacking type or cymbal type piezoelectric transducer suitable for road surface conditions is adopted to serve as the piezoelectric power generation element, the load transfer component capable of prolonging the service life of the piezoelectric power generation element is additionally arranged to improve the loaded condition of the piezoelectric power generation element, and collected electric energy is stored or directly used for providing power for the road surface through the voltage regulating circuit, the rectifying circuit, the control circuit and the energy storage circuit. The system is suitable for large-modulus special structures such as road surfaces, vibrating energy collection under the low-frequency and heavy-load road surface condition is achieved, and the system has the advantages of being simple in structure, convenient to manufacture, long in service life, high in electricity output efficiency and the like.