The invention discloses a fully automatic biochemical and luminescent immunoassay system. The system includes a large mechanical arm capable of moving in X, Y and Z directions, a sample adding pump, a sample adding needle, a washing station, a washing pump, a liquid pump, a reagent chamber, a sample chamber, a reaction rotating disc, an incubation disc, a vibration mixing component, a micro mechanical arm, a cleaning station assembly, a cleaning pump, a waste liquid pump, a measurement darkroom assembly, an excitation reagent pump, an excitation reagent needle, a photon measurement assembly, a light source assembly, a spectral measurement assembly, a waste reaction cup channel, a reaction cup automatic loading assembly, a control circuit and a computer. The system integrating biochemical index detection and luminescence immunoassay realizes the biochemical and immunological streamline function, and greatly reduces the complexity and cost of the system, so the fully-automatic quantitative or qualitative detection of the biochemical and immune indexes, the treatment drug concentration and microbial toxins in human blood and other liquids of small hospitals, and harmful additives and drug residues in foods is realized.