Azithromycin is a broad-spectrum antibiotic and is a second-generation antibiotic of the macrolide class. Azithromycin is mainly used for respiratory and soft tissue skin infections and chlamydial diseases caused by sensitive bacteria. For acute bronchial infections caused by H. influenzae, and also pneumococci and Catamoras, as well as chronic co-infections of obstructive pulmonary disease and pneumonia, the effective treatment rate is 90% and the bacterial clearance rate is 85%. For boils and cellulitis caused by Staphylococcus aureus and Streptococcus pyogenes, the cure rate with this product is between 53% and 74%, while the effective rate is over 90%.