The invention discloses a ready-to-use rapid enzyme immune tissue chemical reagent kit for detecting SCML2. The ready-to-use rapid enzyme immune tissue chemical reagent kit comprises a kit body, the kit body is provided with a 3% H2O2 deionized water container, a powder type antigen repair solution container and a powder type phosphate buffer solution container, and the kit body is further provided with a monoclonal mouse anti-human SCML2 antibody container, a polymer enhancer container, an HRP enzyme-labeled mouse IgG polymer container and a diaminobenzidine container; a reagent in the reagent kit comprises the components of 3% H2O2, powder type antigen repair solutions, powder type phosphate buffer solutions, monoclonal mouse anti-human SCML2 antibodies, polymer enhancers, HRP enzyme-labeled mouse IgG polymers and diaminobenzidine. The ready-to-use rapid enzyme immune tissue chemical reagent kit for detecting SCML2 has the advantages that the detection operation process is greatly simplified, and it can be guaranteed that the detection result has good quality control; the ready-to-use rapid enzyme immune tissue chemical reagent kit for detecting SCML2 further has the advantages of being simple, fast to use, sensitive, universal, good in reproducibility and low in cost.