▎ 摘　　要

NOVELTY - The utility model claims a micro-flow control chip for treating cell secretion protein detection, the chip comprises a micro-cavity array chip and an antibody bar code substrate, the antibody bar code substrate is covered above the micro-cavity array chip; the micro-cavity array chip is a biological affinity chip; the micro-cavity wall is modified with graphene nano material; the antibody bar code substrate is printed with function capture antibody; the function capture antibody is located at the top of the micro-cavity. The micro-fluidic chip claimed by the utility model can improve cell culture environment, good for cell growth, capture antibody efficiency is high, uniformity is good, the analysis result is more accurate, the preparation method is simple, low cost, suitable for mass production.