The invention discloses a solar energy concentrating frequency-division combined heat and power generation device and method capable of dynamically controlling. The solar energy concentrating frequency-division combined heat and power generation device comprises a linear Fresnel reflective mirror array, wherein a rotation shaft capable of dynamically controlling is arranged above the linear Fresnel reflective mirror array, a pair of solid-state frequency-division devices and a pair of total-reflection devices are arranged in a circumferential direction of the rotation shaft, a vacuum tube heatcollector with a built-in heat collection medium is arranged above the rotation shaft, a secondary reflective device is arranged above the vacuum tube heat collector, a hybrid receiver is arranged ateach of two sides of the rotation shaft, a solar cell is arranged in a cavity of the hybrid receiver, a glass baffle plate is arranged at an inner side of the solar cell, and a cooling system is arranged at an outer side of the solar cell. By the solar energy concentrating frequency-division combined heat and power generation device, intelligent regulation of power generation quantity and heat generation quantity is achieved, so that the integral utilization efficiency of solar is substantially improved.