Gentamycin, rapid test strip has the characteristics of convenience, speed, and sensitivity, and is suitable for on-site large-scale sample testing. The test strip contains antigens pre fixed in the nitrocellulose membrane test area (T) and II antibodies in the control area (C). After the gold labeled antibodies in the micropores are dissolved in milk, they are incubated at 50 ℃ for 3 minutes. The test strip is inserted into the gold labeled micropores and reacted for 5 minutes according to the T-zone The color depth of Zone C is compared with the interpretation results. Regardless of the presence or absence of gentamicin in the sample, A purple red strip will appear in Zone C.