Acetylspiramycin tablets have the efficacy of treating pharyngitis, tonsillitis, sinusitis, otitis media and other diseases caused by staphylococcus, streptococcus spp. and other pathogenic bacteria. Acetylspiramycin binds to the 50s subunit of ribosomes of sensitive microorganisms, inhibiting the protein synthesis dependent on ribosomal RNA and exerting antibacterial effects. Acetylspiramycin has good antibacterial effect on Gram-positive cocci such as Staphylococcus aureus, Streptococcus pneumoniae and Enterococcus faecalis. Adverse effects such as abdominal pain, nausea and vomiting may occur after use of the drug, which can be gradually relieved after stopping the drug. Pregnant women should use the drug with caution, nursing women patients should suspend breastfeeding when using the drug, the efficacy and safety of pediatric patients less than 6 months of age has not been determined. This drug should not be combined with ergot at the same time. The use of this drug is prohibited for those who are allergic to this drug or the components of the formula, erythromycin, etc. The specific dosage and usage of the above drugs should follow the doctor’s instructions, and should not be used on their own to avoid adverse reactions.