Detection device of helicobacter pylori and application method thereof

The invention discloses a device for fully automatic and rapid sorting and counting of helicobacter pylori in gastric juice gastric mucosa, and an application method thereof. The device comprises a PDMS micro-fluidic chip, a glass negative and a miniature permanent magnet, wherein the PDMS micro-fluidic chip comprises a liquid storage hole A, a liquid storage hole B, a liquid storage hole C, a liquid storage hole D, a liquid storage hole E, a liquid storage hole F, a main channel, a first focusing channel, a second focusing channel, a sorting channel and a detection channel; platinum electrodes connected with a direct current power supply are respectively inserted into the liquid storage hole A, the liquid storage hole B, the liquid storage hole C, the liquid storage hole D, the liquid storage hole E and the liquid storage hole F. The device can realize fully automatic and rapid detecting, sorting and counting of the helicobacter pylori in gastric juice gastric mucosa on the micro-fluidic chip 1, moreover, adopts a signal detection circuit 14 which is self designed, is small in volume, can be carried, and can be rapidly used for carrying out field analysis.