Provided is a hollow fiber with a structure including a cavity positioned at the center of the hollow fiber, macro-pores present in the periphery of the cavity, and meso-pores and pico-pores present in the periphery of the macro-pores, wherein the pico-pores are connected to each other in a three-dimensional manner to form a three-dimensional network. The hollow fiber contains a polymer derived from a polyamic acid, wherein the polyamic acid includes repeating units prepared from aromatic diamines and dianhydrides containing at least one functional group present in an ortho-position relative to an amine group.