Vaginismus is the most embarrassing problem for Taiwan female, in our clinical practice. As this problems they experience different level of difficulties in the process of intercourse with their partner. They can't only get their sexual partner's understanding and have the stress of childbirth from the role of women in Chinese culture, but also are ignorant and helplessness. This client is 28 years old, graduate from high school female, married over 1 year. She is suffered with vaginismus, our assessment indicate three pathological factors, including no foreplay, pain and fear of pain. During the depth assessment, round table discussion and homework (behavior modification) of dual sex therapy, the couple rebuild their understanding of sex, change their sexual interaction model more postive and healthy, learn to manage their anxiety and make better communication in sex and daily living.