The invention relates to a pharmaceutical composition including a PARP inhibitor. Specifically, the invention relates to a pharmaceutical composition including a solid dispersion of a compound represented by Formula I. The composition has good dissolution effects, excellent stability, and may be better applied to the clinic.本發明關於一種包含PARP抑制劑的藥物組合物。具體而言,本發明關於一種包含式I所示化合物的固體分散體的藥物組合物。該組合物具備良好的溶出特效,穩定性優異,可以更好地應用於臨床。