The invention relates to a 
drowning prevention life saving device. The 
drowning prevention life saving device comprises a life-saving 
airbag, a shell, a gas source cylinder, a control 
valve seat, a 
firing pin, water-soluble tablets, a hammer, a spring II and a water-communicating shell, through holes are formed at two ends of the shell, one end of the shell is sleeved with the life-saving 
airbag, the other end f the shell is sealed through the control 
valve seat, the gas source cylinder is placed inside the shell, the shell is not in contact with the gas source cylinder, the outlet end of the gas source cylinder is connected with the control 
valve seat, the control valve seat is a hollow column, the control valve seat is provided with an 
inflatable flow hole penetrating through a hollow cavity, the control valve seat is hermetically connected with one end of the shell and the 
inflatable flow hole is exposed to an inner cavity of the shell, the 
firing pin is arranged in the hollow cavity of the control valve seat, the hammer and the 
firing pin are separated through the water-soluble tablets, the hammer is located in the water-communicating shell, the water-communicating shell is connected with the control valve seat, the hammer and the water-communicating shell co-compress the second spring. The 
drowning prevention life saving device has the 
advantage of low cost, is easy to carry, has excellent safety and stability, and has excellent promotion and use value.