Handbag having inflatable protective wall

The utility model relates to a hand held bag, which is made from flexible plastics. The hand held bag comprises an outer wall and an inner wall, wherein the inner wall limits a containing space and is sealed on the outer wall in order to form the inflatable volume thereof; a valve is positioned on the inner wall or the outer wall and is provided with an opening, and an object can be placed in the containing space and/or taken out from the containing space via the opening; a strap is arranged at an opening of the bag, and each end part of the strap is provided with a pair of fastening devices which are connected with each other in order to form a handle.