The utility model provides a terminal surface protection type tied in a bundle optical cable tied in a bundle, the end tied in a bundle of this boundling optical cable of includes protective glass piece, protective glass piece base, inert gas protection chamber, optic fibre terminal surface tied in a bundle, the protective glass piece is fused quartz glass or other high temperature resistant high printing opacity glass materials, the two -sided redgreenblue laser wave band reflection reducing coating layer of having plated of protective glass piece, leave the clearance between protective glass piece and the optic fibre terminal surface tied in a bundle, form a hermetic cavity body between protective glass piece, protective glass piece base and the optic fibre terminal surface tied in a bundle, for inert gas protection chamber, inflated object is filled out to the cavity is inert gas promptly, adopt the resin bonding agent to carry out fixed seal between protective glass piece and the protective glass piece base, the form that adopts screw thread combined sealing to glue between protective glass piece base and the optic fibre terminal surface tied in a bundle is sealed fixedly.