White stuff at the vaginal opening is considered leucorrhea. If there is no vulvar itching, pain and other symptoms, it is considered normal leucorrhea. This is a normal physiological phenomenon. Before and after menstruation, leucorrhea will increase and appear white and sticky, because the hormones in the body will change before and after menstruation, usually without treatment, you can wash with warm water and change underwear regularly. If you have increased leucorrhea with vulvar itching, consider it to be caused by vaginitis. It is best to have a routine examination of the leucorrhea to determine the type of vaginitis and choose the appropriate medication according to the specific type.