A charging member comprising a supporting member, an elastic layer and a surface layer, wherein the surface layer comprises a polymer compound having a Si-O-M bond, and the polymer compound has at least one structural unit selected from structural units represented by a general formula and a general formula below, and has a structural unit represented by a general formula below; and wherein the charging member has a crack extending from the surface thereof to the elastic layer, and the crack has a convexly raised edge by which the surface thereof is roughened: General formula MO 4/2 wherein, M represents an element selected from the group consisting of Ti, Zr and Hf; General formula MO 5/2 wherein, M represents an element Ta; wherein, R 1 and R 2 each independently represent any one of the general formulas to below: wherein R 3 to R 7, R 10 to R 14, R 19, R 20, R 25 and R 26 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a hydroxy group, a carboxyl group or an amino group; R 8, R 9, R 15 to R 18, R 23, R 24 and R 29 to R 32 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; R 21, R 22, R 27 and R 28 each independently represent a hydrogen atom, an alkoxyl group having 1 to 4 carbon atoms or an alkyl group having 1 to 4 carbon atoms; n, m, I, q, s and t each independently represent an integer of 1 to 8; p and r each independently represent an integer of 4 to 12; x and y each independently represent 0 or 1; and a reference symbol "*" and a reference symbol "**" respectively represent binding sites to a silicon atom and an oxygen atom in the general formula. the surface layer comprises a polymer compound having a Si-O-M bond, and the polymer compound has at least one structural unit selected from structural units represented by a general formula and a general formula below, and has a structural unit represented by a general formula below; and wherein the charging member has a crack extending from the surface thereof to the elastic layer, and the crack has a convexly raised edge by which the surface thereof is roughened: General formula MO 4/2 wherein, M represents an element selected from the group consisting of Ti, Zr and Hf; General formula MO 5/2 wherein, M represents an element Ta; wherein, R 1 and R 2 each independently represent any one of the general formulas to below: wherein R 3 to R 7, R 10 to R 14, R 19, R 20, R 25 and R 26 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a hydroxy group, a carboxyl group or an amino group; R 8, R 9, R 15 to R 18, R 23, R 24 and R 29 to R 32 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; R 21, R 22, R 27 and R 28 each independently represent a hydrogen atom, an alkoxyl group having 1 to 4 carbon atoms or an alkyl group having 1 to 4 carbon atoms; n, m, I, q, s and t each independently represent an integer of 1 to 8; p and r each independently represent an integer of 4 to 12; x and y each independently represent 0 or 1; and a reference symbol "*" and a reference symbol "**" respectively represent binding sites to a silicon atom and an oxygen atom in the general formula.