Optical fiber repeater capable of transmitting multi-system signal

The invention provides an optical fiber repeater capable of transmitting multi-system signal. The optical fiber repeater comprises a near end machine and a plurality of far end machines; each of the near end machine and far end machines comprises a communication unit, a duplexer, a plurality of radio frequency sending channels, a plurality of radio frequency receiving channels, a FPGA module and an optical port; the communication unit, the duplexers, the radio frequency receiving channels, the FPGA module and the optical port are connected in order; the FPGA module is connected with the duplexer through the plurality of radio frequency sending channels, the optical port of the near end machine is connected with the optical port of each far end machine, the communication unit of the near end machine is an antenna or a cable, and the communication unit of the far end machine is the antenna; the communication unit of the near end machine is connected to a base station, and the communication unit of the far end m