The traditional Chinese society fostered positive affinity towards homo-erotic relationships, and in some parts of China even legal support until the 19th century. With the intrusion of the Western system of thought occurred a drastic turn came about, and this led to the criminalization and medicalization of homosexuality. The article deals with the socio-political process that led to the stigmatization of homosexuality, and with the consequences suffered by Chinese gays and lesbians. Their unenviable position improved in 1997 when the Communist Party of China decriminalized homosexuality, and in 2001 with its demedicalization, which was achieved by the Chinese gays and lesbians community, with the support of the academia.