Automatic microfluidic device

The invention discloses an automatic micro-fluidic device which comprises a supporting base, a sample containing plate, a micro-fluidic box body and a rotary servo motor; supporting legs are arrangedbelow the supporting base; a positioning tool is arranged on one side of the upper portion of the supporting base; the sample containing plate is arranged on the positioning tool; and a sample placingbottle is arranged on the sample containing plate. The invention has the following beneficial effects: by means of the circular base plate, rotary servo motor and mechanical arm, the device can simultaneously carry out a large number of detection items and save manpower and materials; a metering sampling pump and a metering infusion pump are arranged, so that the amount of the added reaction liquid and sample solution can be controlled through the controller; therefore, the operation is simple, the metering is accurate, the detection efficiency is improved, the previous dozens of times of detection operation can be co