The invention aims to provide an erbium-doped fiber amplifier control system. In the hardware structure, the control system can be applied to erbium-doped fiber amplifiers of various functions. The control system comprises a control module, three power control loops, two pump laser driver modules, and one adjustable light attenuation driver module, wherein both an input light power detection end and an output light power detection end of each power control loop are connected with a signal input end of the control module, a drive signal input end of each pump laser driver module is connected with a signal output end of the control module, a drive signal output end of each pump laser driver module is used for connecting with a pump laser of a to-be-controlled erbium-doped fiber amplifier, adriver signal input end of the adjustable light attenuation driver module is connected with the signal output end of the control module, and a driver signal output end of the adjustable light attenuation driver module is used for connecting with a to-be-controlled adjustable light attenuator.