A portable storage rack comprises a base, a brace rod, a connector and a storage table. The storage table is connected onto the brace rod through the connector, and can rotate at one end of the brace rod by virtue of the connector so as to be changed in placing angle. The base is connected to the other end of the brace rod. The brace rod comprises a brace rod body, a fixed clamp and a bolt. The fixed clamp is mounted on the brace rod body through the bolt, and can move up and down on the brace rod body. The storage table comprises a flat plate table-board and a clamping frame. The clamping frame is embedded in the flat plate table-board. Various articles can be placed on the storage table of the portable storage rack; the storage table can be increased and reduced freely in size, so that not only is the space saved, but also more articles can also be placed well; and the storage table is convenient to use by multiple persons. The design of the fixed clamp brings convenience to clamping of objects reserved in the later period. The storage rack is high in flexibility through the design of the brace rod and the connector.