The invention relates to the field of forest fire fighting, in particular to a water pipe quick erecting device during forest fire fighting. The water pipe quick erecting device during forest fire fighting comprises a vertical plate, a portal top seat, hollow rods, empty slots, sliding columns and clamping bars. The water pipe quick erecting device during forest fire fighting can be used for quickly erecting a water pipe which is used for fire fighting. The portal top seat is arranged at the upper end of the vertical plate, the left end and the right end of the portal top seat are connected with the hollow rods in a hinged mode, the two hollow rods are both provided with the empty slots, the two sliding columns are slidably connected to the two empty slots, and the outer ends of the two sliding columns are connected with the clamping bars in a hinged mode; and the hollow rods and the portal top seats which are mutually connected can be locked, the hollow rods and the sliding columns which are mutually connected can be locked, and the sliding columns and the clamping bars can be locked.