The utility model discloses a prefabricated optical cable of branch's module type, including module box and the prefabricated optical cable of spliter type, the module box includes a box body, just one side is equipped with a plurality of first fixed orificess on the box body, just the panel of box body is equipped with a plurality of second fixed orificess, and the prefabricated optical cable of a plurality of spliter types can be worn to locate by the spliter first fixed orifices department just is fixed in on the box body, and a plurality of LC adapter is worn to locate panel second fixed orifices department. The utility model discloses prefabricated branch encapsulates in the module before dispatching from the factory promptly with the optical cable, supports on -the -spot plug -and -play's modularization installation, can transfer as required, and reserve core takes in in the module, has reduced the cable that exposes in the rack.