The pessary is a Chinese topical drug, white, creamy white or brownish yellow, each batch of herbs will produce a different color, sometimes different storage conditions, but also the nature of the herbs or physical and chemical properties of a slight change, so if it is in a regular hospital or pharmacy, the purchase of the regular manufacturer of drugs, you can rest assured that the use, to store the drug according to the requirements, the color becomes yellow on the human body The impact on the human body can not be used. If the yellow color after opening, it is possible that the drug has become damp or deteriorated, it can not be used. You should avoid sexual intercourse, pay attention to the cleanliness of the vulva, eat a light diet, and avoid spicy and stimulating foods while using the Povidone suppository.