Recombinant Anti-FAS x Anti-CSPG4 Bispecific Antibody (IgG-Fv) is formed by an Immunoglobulin G (IgG) and a fragment variable Fv region, in which the Fc of IgG is engineered by KIH. The Fv region of an anti-FAS antibody variable domain is fused to the C terminal of an IgG of anti-CSPG4 antibody, or vice versa. The format retains desired characteristics of intact antibodies. This BsAb can induce targeted apoptosis. It is designed for the research of Melanoma therapy.