According to one embodiment of the present invention, provided is a recombinant influenza virus comprising H7 hemagglutinin (HA) in which at least two amino acids are glycosylated. The amino acids may be asparagine, and the glycosylation may be N-linked glycosylation (NLG). According to the present invention, immunogenicity and proliferation capability are improved.본 발명의 일 실시예에 따르면, 2 이상의 아미노산이 당쇄화(glycosylation)된 H7 헤마글루티닌(HA, Hemmaglutinin)을 포함하는, 재조합 인플루엔자 바이러스가 제공된다.