The invention relates to the technical field of power equipment, and specifically discloses an airbag type fall protection device. The airbag type fall protection device includes a waistband, an airbag module, an acceleration sensor, a gas generator and a control device; the airbag module is provided with an air inlet and can be folded and stored on the outer side of the waistband; when the air inlet is filled with gas, the airbag module bulges towards the periphery, and a protective cavity is formed in the middle; the acceleration sensor is fixed on the waistband; the gas generator is fixed to the waistband and is provided with an air outlet communicating with the air inlet of the airbag module; and the control device is fixed on the waistband and is electrically connected to the acceleration sensor and the gas generator, and the control device is used for controlling start and stop of the gas generator according to sensing results of the acceleration sensor. By means of the airbag type fall protection device, electric power personnel can be effectively protected during falling, and the electric power personnel can be prevented from being injured.