The present invention provides a comprehensive virus disinfecting strategy with more than two biologically active anti-virus components work synergistically to form a multi-hurdle defending line for virus disinfecting, and methods for making a medical product with anti-virus properties. The comprehensive preventive system for virus disinfecting, combines components competitively inhibiting virus attachment on cell surface, immune-boosting nutrients for strengthening immunology defense, and components defectively attacking virus infusion process. The product is an anti-influenza medical food containing from 0.01% to 3% of glycopeptide with covalently attached sialic acids and its derivatives, 0.01% to 5% of ginseng extracts, and 0.01% to 3% of polyphonies from herb extracts. The anti-influenza medical product can be administrated daily to prevent from infection with viruses.