Laryngeal cysts can be categorized into laryngeal air cysts and laryngeal mucus cysts, which cannot be treated by medication and require surgical treatment and postoperative antibiotics to prevent infection. Laryngeal cysts may be caused by congenital developmental abnormalities or infections, and can not be treated by drugs, mainly through surgical removal of cysts. Such as CO2 laser excision, cyst stripping, ligation excision, etc. Usually, antibiotics need to be given as prescribed by the doctor to prevent infection after treatment, such as penicillin, erythromycin, leucomycin, etc. Infection occurs, then you need to choose a sensitive antibiotic for treatment. Laryngeal air cysts, also known as laryngeal diverticulum and laryngeal bulge, can have symptoms such as cough, dyspnea and hoarseness. Small laryngeal mucus cysts can be asymptomatic, but large ones can have a sense of throat obstruction, dyspnea, and laryngeal pain and other symptoms when secondary infection occurs. It is recommended to seek timely medical treatment.