Colloidal gold detection device for semi-quantitative detection of prochloraz

The utility model provides a colloidal gold detection device for semi-quantitative detection of prochloraz, which comprises a backing as well as a sample pad, a gold-labeled pad, a nitrocellulose membrane and a water absorption pad which are arranged on the backing, one end of the gold-labeled pad and one end of the water absorption pad are respectively lapped on two opposite ends of the nitrocellulose membrane, and the other end of the gold-labeled pad is lapped on the nitrocellulose membrane. The sample pad is lapped on the other end, far away from the nitrocellulose membrane, of the gold label pad; a detection line and a quality control line are arranged on the nitrocellulose membrane; the shell comprises a bottom plate and a cover plate which covers the bottom plate and is used for forming a cavity for accommodating the detection test strip with the bottom plate, and the cover plate is provided with a sample adding window for exposing the sample pad and a judgment window for exposing the detection line an