An aerial self-rescue self-help device includes a hydrogen tank arranged in a knapsack; a ventilation joint is arranged on the top of the hydrogen tank; a balloon is arranged on a top end of the ventilation joint; an inflation valve is arranged on the ventilation joint; a gas discharging pipe is arranged on the ventilation joint and above the inflation valve; a gas circulation bin is arranged in the knapsack; a gas pressure disc tightly attaching onto an inner wall of a gas storage bin is arranged in the gas storage bin in the gas circulation bin; a front end of the gas storage bin passes through a gas circulation inlet pipe of the gas pressure disc, and a spring is arranged between the gas pressure disc and a front end surface of the gas storage bin and positioned on the gas circulation inlet pipe; a gas inlet end of the gas circulation inlet pipe is connected to the ventilation joint; a gas circulation outlet pipe having a diameter less than that of the gas circulation inlet pipe isconnected between a back end of the gas storage bin and the ventilation joint; and a wind power driver is arranged on a front surface of a tightening band. When flood, fire or earthquakes occur, refugees can voluntarily and timely evacuate away from a disaster area, and casualties of the refugees can be greatly reduced; and when people travel and go sightseeing, the fatigue degree of tourists canbe lowered, the tourists can watch the whole face of a scenic area, and the ornamental interest is enhanced.