A composite vane includes a composite vane body 11 that is formed from a composite material of a thermosetting resin or a thermoplastic resin and reinforced fibers, which is obtained by molding, and a metal sheath 12 that is bonded to a leading edge section 11A including a leading edge 11a of the composite vane body 11 and a vane surface 11b in a vicinity of the leading edge 11a via a film adhesive 13 formed by impregnating a mesh with a hard adhesive to cover the leading edge section 11A, wherein an underfill section 11d that is formed in a step of removing excessive thicknesses parts 15 and 16 remaining on the leading edge 11a after the molding and does not need leading edge round finish is placed on the leading edge 11a of the leading edge section 11A in the composite vane body 11. It is possible to realize reduction of manufacturing time and manufacturing cost.