The emergence of brown discharge after vaginal insertion of pessary is not normal, there are the following reasons: 1, in the process of vaginal insertion of pessary, if the delivery is too deep will touch the cervix, it will cause a small amount of bleeding. Because bleeding after discharge will cause brown discharge occurs. So before the next drug as far as possible to 2/3 of the index finger should not be sent too deep, so as not to cause bleeding again. 2, do not rule out the drug stimulation caused by the drug stimulation will cause local blood vessels to dilate, there will also be a brown secretion occurs, belonging to the adverse reaction of the drug. If you feel burning and pain, it is recommended to suspend the use of drugs or change to other drugs, to avoid prolonged stimulation caused by excessive bleeding.