Virgins consider the blowing up of the body is caused by weakness, due to the body is thin and weak caused by the pelvic floor muscles are not plentiful. The front and back walls of the vagina do not fit together tightly, which can easily cause the phenomenon of blowing. Microorganisms such as bacteria or viruses infect the vagina, and microorganisms multiply in the vagina to produce gas. If pressure is exerted on the abdomen, the gas will be expelled from the vagina and blowouts may occur. Infections in the vagina can be caused by trichomonas, mold, etc. The diagnosis can be confirmed by examination of the secretions. Blowouts need to go to the hospital for examination, identify the cause of the reasonable treatment, the body needs to strengthen the dietary nutrition, usually eat more vegetables, fruits, lean meat, eggs and so on. At the same time, it is recommended that appropriate exercise can be done to lift the anus, if the bacterial or fungal infection, you can take metronidazole or fluconazole under the guidance of the doctor and other reasonable drugs treatment.