Girls in the first time sex when the pain, pay attention to sex in the action should be gentle, not easy too long. At the same time, you should also pay attention to keep the mood relaxed, do not be too nervous. If there is bleeding, you can stop having sex, because the hymen is thicker or the vagina is tighter when a woman has sex for the first time, which can easily lead to pain and bleeding. Stop having sex after the pain occurs and you can also give appropriate distraction to ease the pain, one to two hours after the pain will gradually disappear. The pain is very strong or there is more vaginal bleeding, suspected to have a large hymen crack or vaginal cracks need to go to the hospital in time for examination and treatment to avoid leading to vulvar and vaginal infections.