The invention discloses a cold storage air supplying assembly. The cold storage air supplying assembly is applied to a refrigerator, the refrigerator comprises a freezing chamber, a refrigerating chamber, a freezing fan, a fan bracket, an evaporator, a freezing air duct, a refrigerating inner container and a foaming box body, wherein the freezing air duct communicated with the freezing chamber andthe refrigerating chamber, and the the freezing air duct is internally provided with a refrigerating air supplying air door.