Cefprozil granules instructions for use, suitable for the treatment of sensitive bacteria caused by the following mild to moderate infections, including streptococcal pharyngitis / tonsillitis, pneumococcal, influenza Haemophilus influenzae (including β-lactamase producing strains) and Moraxella catarrhalis (including β-lactamase producing strains) otitis media, pneumococcal, influenza Haemophilus influenzae (including β-lactamase producing strains) and Moraxella catarrhalis (including β-lactamase producing strains) acute sinusitis, caused by pneumococcal, influenza Haemophilus influenzae (including β-lactamase producing strains) and Moraxella catarrhalis (including β-lactamase producing strains) acute exacerbation of bronchitis and chronic bronchitis, Staphylococcus aureus (including penicillinase producing strains) and streptococcus caused by non-complicated skin and skin soft tissues Infections and so on.