A pharmaceutical composition is provided. The pharmaceutical composition comprises a compound of 7-[2-[4-(2-Chlorobenzene)piperazinyl]ethyl]-1, 3,which is a Rho kinase inhibitor, wherein the pharmaceutical composition inhibits a physiological activity of a lung epithelial cell.本發明提供一醫藥組合物,其包含一7-〔2-〔4-(2-氯苯)哌嗪基〕乙基〕-1,3二甲基黃嘌呤之化合物,其中該化合物為一Rho-激酶抑制劑,該醫藥組合物具有抑制一肺上皮細胞的一生理活性的效果。