Liquid-based microarray platform for multiplex PCR technique, based on double probe hybridization multifinder multiplex PCR technology can achieve rapid screening of multiple detection targets, but based on these techniques did not detect foodborne fourteen pathogenic microorganisms kit successfully developed. Liquid-based microarray platform multiplex PCR in a PCR reaction tube PCR reaction was performed in two steps, the first round of PCR primers designed to the low concentration resulted in a significant decrease of the sensitivity of the PCR reaction, thus affecting the overall sensitivity of detection reagent; poor stability problems exist multicolor microspheres labeled PCR products technology. And the high cost of equipment purchased, expensive reagent supplies.