Side effects after vestibular cystostomy mainly include infection and recurrence. 1. Infection: after undergoing vestibular cystostomy, infection by bacteria and other pathogenic microorganisms at the surgical site may occur, resulting in localized redness, swelling, pain and pus flow, which may also lead to generalized fever. 2. Recurrence: after vestibular cystostomy, if the drainage of cystic fluid is not complete, the recurrence rate of the disease is relatively high, and the patient may need to receive treatment again. There may be other side effects after vestibular cystostomy. It is recommended to go to the obstetrics and gynecology department of a regular hospital for vestibular cystostomy to minimize the incidence of side effects.