The utility model discloses an oil-gas-water well fisher, and belongs to the field of oil production engineering. The fisher comprises a connecting head, a shear compression spring, shear pin sliding sleeves, shear pins, an adjusting rod, an adjusting compression spring, a split type elastic clamping jaw and a fishing cylinder; the shear pin sliding sleeves are connected to one end of the fishing cylinder and are coaxial with the fishing cylinder, a check block is arranged in the middle of the connecting head, one end of the connecting head is sleeved with the shear pin compression spring and the shear pin sliding sleeves in the axial direction of the connecting head, the shear compression spring is arranged between the check block and the shear pin sliding sleeves in an abutting mode, the shear pin sliding sleeves are fixedly connected with one end of the connecting head through the shear pins, one end of the adjusting rod is connected with the connecting head, a positioning portion is arranged at the other end of the adjusting rod, the adjusting rod is sleeved with the split type elastic camping jaw and the adjusting compression spring in the axial direction of the adjusting rod, the adjusting compression spring and the split type elastic clamping jaw are sequentially arranged between the connecting head and the positioning portion, and the split type elastic clamping jaw abuts against the inner wall of the fishing cylinder. According to the fisher, damage of an expensive fishing steel cable and happening of secondary falling can be avoided.