Including recombinating porcine reproductive and respiratory syndrome virus (PRRSV) vaccine or composition specifically, the present invention includes encoding and expressing the recombinant adenoviral vector of PRRSV gp2, gp3, gp4, gp5a, gp5 and/or E antigen, albumen, epitope or immunogene the present invention.Such vaccine or composition can be used for protecting animal from PRRSV infection.