To provide safety body boots for fishing from which infiltrated water can be released instantaneously by splitting the body boots and can be also be taken off even if in the midst of flowing water by a single action of the hand side.

Substantially deep splits are provided in the direction of leg lines from the upper rim in the boundaries between a front panel 1a and a rear panel 1b of the body 1 of body boots on both sides thereof. A watertight joint 3 provided successively with an elastic wrapping piece which has a cylindrical air bag 4 thick in cross section swelling out integrally on one end side rim of the splits while being provided on the other end side rim thereof with a press-fit dowel integrally projecting inside the cylindrical air bag at an interval to be fastened in a press-fit hole 5 provided outside it 4 at an interval is interposed between the splits. A feed air tube 9 of a carrying gas storage container 8 separately arranged is made to communicate with the cylindrical air bag 4 through a manual shutoff valve 10.