PROBLEM TO BE SOLVED: To provide stabilization means for pharmaceutical compositions in which pantothenic acids are blended in addition to Sinomenium stem or its extract.SOLUTION: A composition contains Sinomenium stem or its extract, one or more selected from the group consisting of asparagine acid or its salt, glucosamine or its derivative, vitamin b family, vitamin E and gamma oryzanol, and chondroitin sulfate ester or its salt.