According to this invention, the following are provided: a pharmaceutical composition for treating and/or preventing esophageal stenosis, comprising an HGF protein as an active ingredient (wherein the HGF protein may be a polypeptide that is any one of the following: (a) a polypeptide comprising the amino acid sequence shown in SEQ ID NO: 2; (b) a polypeptide comprising an amino acid sequence shown in SEQ ID NO: 2 in which one to several amino acids are deleted, substituted, or added; or (c) a polypeptide comprising an amino acid sequence having at least 90% identity with the amino acid sequence shown in SEQ ID NO: 2; and a stent comprising the pharmaceutical composition.