The invention relates to the technical field of power generation devices, in particular to a portable wind and solar power generation device. The portable wind and solar power generation device comprises a solar power generation device body and a wind power generation device body. The wind power generation device body comprises a base; the base is internally provided with a storage battery and vertically provided with a telescopic rod, a rotary shaft is rotationally installed at the upper end of the telescopic rod, a wind power generator shell is rotationally installed on the rotary shaft, a movable nut is installed on the rotary shaft in a threaded mode, and a wind power generator is arranged in the wind power generator shell. The portable wind and solar power generation device is provided with the telescopic and foldable structure, so that the size of the wind and solar power generation device is decreased in a folding state, a user can carry the device conveniently, and improvement is provided for development of new energy resources; and the portable wind and solar power generation device has the characteristics of being clean, environmentally friendly, and flexible, convenient, easy and quick to use.