▎ 摘　　要

NOVELTY - The utility model claims an SPR biological sensing chip and sensing detection system. An SPR biosensor chip, wherein it comprises a sequentially stacked from bottom to top, a noble metal layer, a first nano graphene diamond layer and a first nano-diamond particle layer. The SPR biological sensing chip has high sensitivity, high detection precision, and easy modification and easy functionalization. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a sensing detection system.