Provided are an epitope peptide which can be used in the prevention of respiratory syncytial virus infections, or variants thereof and a recombinant protein comprising the epitope peptide or variants thereof with a carrier protein, and uses thereof. Also provided in the present invention are an antibody against these epitope peptides and cell strains generating the antibody, and uses thereof. Furthermore, also provided in the present invention are a vaccine comprising the recombinant protein or a pharmaceutical composition comprising the antibody, and the vaccine or pharmaceutical composition can be used for preventing symptoms related to respiratory syncytial virus infections.