Method for processing and leveling micro-channel of polymer chip

The invention provides a processing method and a leveling technology of an organic polymer micro-fluidic chip by virtue of a circuit board carving machine, which can solve the problems that micro-channels of chips are poor in uniformity and high in surface roughness in an existing polymer chip machining process. According to the technical scheme, the leveling method comprises the following operating steps of: placing a chip substrate processed by a chip micro-channel processing method in a culture dish, wherein the surface, carved with a micro-channel, of the substrate is downward, and four corners of the substrate are supported by cushion blocks; injecting a leveling organic solvent in the culture dish, wherein a distance of 3mm-8mm is left between the level surface of the organic solvent and the surface of the chip; and sealing the culture dish in a thermostatic waterbath heater at 20-40 DEG C for certain time, so that organic solvent steam infiltrates into the micro-channel to dissolve burrs and pits in th