Microfluidic chip for plasma separation

The utility model provides a micro-fluidic chip for plasma separation, which belongs to the technical field of micro-fluidic chips and comprises a splitter plate, a filter membrane and a confluence plate which are hermetically connected in sequence from top to bottom, the upper surface of the splitter plate is provided with a plurality of primary splitter channels which are distributed in an array shape; the head ends of the plurality of primary shunting channels are gathered at the central part of the shunting plate; each primary flow dividing channel is provided with a plurality of tail ends which are distributed in a dot-matrix mode, and a primary liquid outlet is formed in the tail end of each primary flow dividing channel; a sample liquid outlet is formed in the center of the confluence plate, a plurality of confluence channels are distributed on the upper surface of the confluence plate in a circular array shape by taking the sample liquid outlet as the center, and each confluence channel is communicate