The developmental history of sex therapy based on Masters and Johnson model in Taiwan is briefly outlined in this article. The historical monograph: ”Assembling the New Body: Gender/Sexuality, medicine, and modern Taiwan” is particularly referred, and two relevant paragraphs of which are quoted and critically reviewed.The growth of the profession for sex therapy in Taiwan has been sluggish and immature so far. On the contrary, the professions of urology and andrology have greatly promoted the specialty of sexual medicine after the introduction of Viagra to the market. Furthermore, the East-West-Medicine integrated treatment strategy is also well endorsed by the traditional Chinese Medicine for the treatment of sexual dysfunctions.The future of sex therapy in Taiwan would go together with the global mainstream that favors multi-disciplinary integration, professionalization and specialization of both sex therapy and sexual medicine.