This Hair is bright be related to C16H25NO2 He Gong Jing Body, the Yong Yu System Prepare of eutectic Xing Cheng Body of the Election from NSAID/ former times cloth Class its method and its Men is used as As Drug object or the Should in Drug Wu System Elixirs, Geng Te Do are that the Should controlled in Treatment pain with what is used. The Real of Gifted Election is applied in mode, and Gong Jing Body is (racemization)-C16H25NO2.HCl- plug Come former times cloth (1:1).本發明涉及曲馬多和選自NSAID/昔布類的共晶形成體的共晶體、用於製備其的方法以及它們作為藥物或在藥物製劑中的應用,更特別是用於治療疼痛中的應用。在優選的實施方式中,共晶體是(消旋)-曲馬多.HCl-塞來昔布(1:1)。