Recombinant Anti-CD64 x Anti-malaria antigen Bispecific Antibody (Tandem Fab) is designed to be expressed as three chains derived from the variable domains of anti-CD64 and anti-malaria antigen parental antibodies. It contains a His-tag for affinity purification. And the two Fd regions are connected by a flexible linker. This BsAb can retarget NK cells to genus plasmodium. It is designed for the research of Malaria therapy.