Provided is a full-automatic enzyme immunoassay analyzer incubation temperature control system based on LADRC. The system comprises an upper computer, a drive plate processor, a temperature plate processor, a motor drive unit and a temperature collection control unit. The advantages are that instrument operation is stable and reliable, resolution is high, non-linear error is low and noise is low, temperature acquisition precision is high, real-time performance is high, transmission distance is far, anti-electromagnetic interference capability is high, cost is low and robustness is high; and meanwhile, experiment and detection are accurate and reliable.