PROBLEM TO BE SOLVED: To provide a pharmaceutical composition which reduces the disorder of a gastric mucosa without impairing analgesic effect of a phenylpropionic acid-based antiinflammatory analgesic agent, in the pharmaceutical composition containing the phenylpropionic acid-based antiinflammatory analgesic agent.SOLUTION: The pharmaceutical composition contains the phenylpropionic acid-based antiinflammatory analgesic agent, a peony extract, and an antacid. The pharmaceutical composition contains at least 2 pts.wt. of the peony extract (dry matter conversion) based on 1 pts.wt. of the antacid.