The invention relates to the technical field of lasers, and discloses a laser output head and a laser. The laser output head comprises a shell, an output end cap, an optical fiber and an optical fiberfixing piece; the shell is internally provided with a first mounting cavity and a second mounting cavity which communicate with each other, the output end cap is arranged in the first mounting cavityand is connected with the optical fiber, the optical fiber passes through the second mounting cavity and the optical fiber fixing piece, and the optical fiber fixing piece is arranged on the shell; aplurality of stripping areas are formed on the part of the optical fiber in the second mounting cavity; the shell and the optical fiber fixing piece absorb the forward cladding light and the backwardcoupling cladding light stripped from the plurality of stripping regions. The laser output head in the embodiment of the invention achieves the balanced diffusion of the forward cladding light and the backward coupling cladding light, and avoids local sharp temperature rise.