The invention discloses a solar photovoltaic and thermal energy efficient and integrated power generation system which comprises a solar photovoltaic cell panel and micro heat pipe array flat heat pipes, namely, a first set of flat heat pipes. One face of the first set of flat heat pipes is directly or indirectly and vertically attached to a back plate of the cell panel. The system is characterized in that at least one micro heat pipe array flat heat pipe, namely, a second set of flat heat pipes, is attached to the upper portion, of the other face, the heat radiation face, of the first set of flat heat pipes, and the heat radiation face of the second set of flat heat pipes is directly or indirectly connected to the hot end face of a semiconductor power generation sheet. Heat collected by the first set of flat heat pipes is conducted to the hot end face of the semiconductor power generation sheet through the other set of flat heat pipes, the semiconductor power generation sheet is made to generate power, therefore, the photovoltaic power generation of the solar cell panel and the thermal energy of the back plate of the cell panel are reused for generating power, the total power generation amount and power generation efficiency of the cell panel are improved, meanwhile, it is guaranteed that the temperature of the back plate of the cell panel cannot rise, the power generation efficiency of the cell panel is prevented from being reduced, and the service life of the cell panel is prolonged.