Fish petroleum jelly generally refers to ichthyol ointment. A vestibular cyst can be broken by rubbing ichthyol ointment for about 5-7 days, but each person is different and the length of time needs to be decided based on the size of the vestibular cyst, the extent of swelling, and so on. Vestibular cysts are cysts formed when excessive secretions block the ducts of the vestibular glands, causing secretions to accumulate in the lumen of the gland. Patients can use ichthyolite ointment under doctor’s supervision to reduce inflammation and swelling. Ichthyol ointment is a disinfectant and antiseptic, with anti-inflammatory, antiseptic and decongestive effects. It should be noted that it should not be used on broken skin. Care should also be taken to avoid contact with the eyes and other mucous membranes, such as the mouth and nose. Vestibular cysts rubbing ichthyol ointment can be broken in about 5-7 days, but each person’s condition is different treatment time is not necessarily. For patients with large cysts, if the effect of drug treatment is not good, you need to go to a regular hospital for ostomy treatment, generally a better prognosis. Vestibular cysts in the treatment period, need to follow the doctor’s prescription medication, in addition to the need to pay attention to personal hygiene, keep private parts clean, eat a light diet.