Inflammation of tonsils is mainly related to pathogenic microbial infections, in addition, it can also be secondary to acute inflammation of neighboring organs, acute infectious diseases, it is recommended that the patient consult a doctor in time. 1. Pathogenic microorganisms infection: common pathogenic bacteria for type B hemolytic streptococcus, a small number of cases caused by staphylococcus, streptococcus pneumoniae and other infections; common viruses such as adenovirus, herpes simplex virus, etc.; the body’s resistance to decline. 2. Acute inflammation of neighboring organs: acute pharyngitis, rhinitis and other diseases can affect the tonsils in the periphery, thus triggering inflammation of the tonsils. 3. Acute infectious diseases: such as scarlet fever, measles, diphtheria, influenza, etc., can also trigger the occurrence of tonsillitis. Patients with tonsillitis should consult a doctor in time to find out the cause of the disease and follow the doctor’s instructions for appropriate treatment.