The utility model discloses a have engineering structure reinforcement and sensing function's built -in intelligent composite construction of high performance optic fibre concurrently, the utility model discloses the fiber grating polymer that coats outward, the outer coating high -temperature resistant resin in fiber grating grid region glues the coating, fiber grating behind the coating protection sets up resin film outward and fixes in advance, the tail optical fiber part that optic fibre was drawn forth sets up tail optical fiber protective case, can ensure that fiber grating is in the inside arbitrary direction of fibre resin base composite construction, it is reliably embedding between anylayer, and guarantee that fiber grating spectrum does not distort, showing and improving built -in survival rate and the life of fiber grating, the intelligent composite construction of preparation is on the basis of accomplishing engineering structure reinforcement and enhance function, it draws pressure and crooked measurement to can be used to important area, and has favorable value for popularization and application.