The invention discloses a formwork for section restoration of a member of a wharf with a high-pile beam plate. The formwork comprises a rectangular member, wherein a first baffle plate assembly and asecond blocking plate assembly are respectively arranged at the parts, near the lower end, of both sides of the member; a first end plate and a second end plate are respectively arranged at the parts,near the lower end, of both sides of the member; a bottom plate is arranged at the lower ends of the first blocking plate assembly, the second blocking plate assembly, the first end plate and the second end plate; a cavity is formed between the bottom plate and the member; grouting holes are formed in the first blocking plate assembly and the second blocking plate assembly; cement and other materials are filled into the cavity through the grouting holes, so as to completely restore the section of the member. The formwork has the advantages that the operation is convenient, the universality ishigh, and the formwork is suitable for the restoration of the members of different sizes.