The invention discloses a straight rib type automatic opening and closing umbrella rib structure which comprises a middle rod, a lower nest, a double-layer integrated upper nest, an umbrella rib support, a pulley assembly and an umbrella handle control assembly, wherein the double-layer integrated upper nest is formed by combining an upper layer nest and a lower layer nest; the umbrella rib support is composed of a plurality of umbrella skeletons; the umbrella handle control assembly for controlling opening and closing of an umbrella; the umbrella skeleton comprises a supporting rib, an umbrella folding tension spring, a foldable short rib and a long rib, wherein the foldable short rib is formed by combining an inner short rib and an outer short rib; and the pulley assembly comprises a pulley, a pulley base and a pull wire. According to the straight rib type automatic opening and closing umbrella rib structure, through the arrangement of the upper nest, the umbrellaribstructure and the pulley assembly, when the umbrella is used, the lower nest drives the supporting ribs to pull the umbrella closing spring, and the foldable short ribs formed by combining the inner short ribs and the outer short ribs are linked, so that the purpose of effectively shortening the moving stroke of the lower nest when the umbrella is opened and closed is achieved; the umbrella handle key device can be set conveniently, and a solid foundation is laid for realizing automatic umbrella opening and closing; and the straight rib type automatic opening and closing umbrella rib structure has the characteristics of stable structure, convenience in opening and closing, quickness in opening and closing, safety and convenience and the like.