An uplink signal scheduling method for an optical fiber radio frequency system, comprising: when uplink signals sent by at least one transmit device are received, preprocessing the uplink signals, to generate a Data Over Cable Service Interface Specification, DOCSIS, frame, wherein the DOCSIS frame comprises at least two uplink signals, and each uplink signal of the at least two uplink signals corresponds to one uplink wavelength, wherein the preprocessing the uplink signals, to generate a DOCSIS frame comprises: separating the uplink signals according to at least one type of uplink wavelength; converting each separated uplink signal into a radio frequency signal, and combining all converted radio frequency signals into an electrical domain signal; and demodulating the electrical domain signal to obtain the DOCSIS frame; when it is detected that a signal conflict exists in the DOCSIS frame, creating at least two signal groups according to the uplink signals, and allocating, to the at least two signal groups, uplink signals that have a same uplink wavelength and cause the signal conflict, wherein the creating signal groups according to the uplink signals specifically includes: searching for cable modem identifiers of the at least one transmit device that sends the uplink signals, and creating the at least two signal groups according to the found cable modem identifiers; allocating, by the processing device to different signal groups, cable modem identifiers indicated by uplink signals that have a same uplink wavelength and cause the signal conflict, and acquiring the signal groups that have undergone the allocation; and performing scheduling on the uplink signals according to the signal groups that have undergone the allocation. when uplink signals sent by at least one transmit device are received, preprocessing the uplink signals, to generate a Data Over Cable Service Interface Specification, DOCSIS, frame, wherein the DOCSIS frame comprises at least two uplink signals, and each uplink signal of the at least two uplink signals corresponds to one uplink wavelength, wherein the preprocessing the uplink signals, to generate a DOCSIS frame comprises: separating the uplink signals according to at least one type of uplink wavelength; converting each separated uplink signal into a radio frequency signal, and combining all converted radio frequency signals into an electrical domain signal; and demodulating the electrical domain signal to obtain the DOCSIS frame; when it is detected that a signal conflict exists in the DOCSIS frame, creating at least two signal groups according to the uplink signals, and allocating, to the at least two signal groups, uplink signals that have a same uplink wavelength and cause the signal conflict, wherein the creating signal groups according to the uplink signals specifically includes: searching for cable modem identifiers of the at least one transmit device that sends the uplink signals, and creating the at least two signal groups according to the found cable modem identifiers; allocating, by the processing device to different signal groups, cable modem identifiers indicated by uplink signals that have a same uplink wavelength and cause the signal conflict, and acquiring the signal groups that have undergone the allocation; and performing scheduling on the uplink signals according to the signal groups that have undergone the allocation. separating the uplink signals according to at least one type of uplink wavelength; converting each separated uplink signal into a radio frequency signal, and combining all converted radio frequency signals into an electrical domain signal; and demodulating the electrical domain signal to obtain the DOCSIS frame; when it is detected that a signal conflict exists in the DOCSIS frame, creating at least two signal groups according to the uplink signals, and allocating, to the at least two signal groups, uplink signals that have a same uplink wavelength and cause the signal conflict, wherein the creating signal groups according to the uplink signals specifically includes: searching for cable modem identifiers of the at least one transmit device that sends the uplink signals, and creating the at least two signal groups according to the found cable modem identifiers; allocating, by the processing device to different signal groups, cable modem identifiers indicated by uplink signals that have a same uplink wavelength and cause the signal conflict, and acquiring the signal groups that have undergone the allocation; and performing scheduling on the uplink signals according to the signal groups that have undergone the allocation.