The invention provides a full-automatic chemiluminescence immune analyzer comprising a rack, and a sample introduction device, a reaction control device and an optical detection assembly which are arranged on the rack, wherein the sample introduction device comprises a reaction cup array mechanism, a reaction cup delivery rail, a sample adding gun head array mechanism, a reagent storage disc, a reagent filling rail, a sample conveying device, a sample storage disc, a first mechanical arm, a second mechanical arm, a third mechanical arm, a sample filling needle, a first reagent filling needle and a second reagent filling needle; the reaction control device comprises a reaction cup incubating disc, a primary magnetic separation rail, a secondary magnetic separation rail, a first cleaning and magnetic separation mechanism, a second cleaning and magnetic separation mechanism and a substrate filling mechanism; the optical detection assembly comprises a photomultiplier and a control circuit. The full-automatic chemiluminescence immune analyzer can automatically perform operations such as sample adding, reaction, data reading and the like in the chemiluminescence immune testing flow.