The invention relates to pyrazolo[1,5-a][1,3,5]triazin-2-amine derivatives, a preparation method thereof and an application thereof in medicine. More specifically, the invention relates to a pyrazolo[1,5-a][1,3,5]triazin-2-amine derivative shown in a chemical formula (I), a preparation method thereof and a pharmaceutical composition containing the derivative and an use thereof as treatment agent, especially an use as A2areceptor antagonist and an use of preparation of a medicine for the treatment of conditions and sympatoms which can be addressed by inhibition of A2areceptors.本發明關於吡唑并[1,5-a][1,3,5]三?-2-胺類衍生物、其製備方法及其在醫藥上的應用。具體而言，本發明關於一種化學式(I)所示的吡唑并[1,5-a][1,3,5]三?-2-胺類衍生物、其製備方法及含有該衍生物的藥物組合物以及其作為治療劑的用途，特別是作為A2a受體拮抗劑的用途和在製備用於治療通過對A2a受體的抑制而改善的病況或病症的藥物中的用途。
