A liquid processing apparatus according to the present disclosure includes: a substrate holding unit configured to horizontally hold a substrate; a rotation driving unit configured to rotate the substrate holding unit about a vertical axis; a processing liquid supply unit configured to supply a processing liquid to the substrate while the substrate is being rotated; an upper guide ring and a lower guide ring which are configured to be rotated together with the substrate holding unit, to surround the substrate, to be arranged vertically to overlap each other with a gap therebetween, and to guide the processing liquid scattered from the substrate; and a rotating cup configured to be rotated together with the substrate holding unit, and to receive and downwardly guide the guided processing liquid.