A pharmaceutical composition for inhibiting osteoclast growth is disclosed in the present invention. The pharmaceutical composition includes a compound represented by a formula (I), and a pharmaceutically acceptable salt and carrier:wherein R1, R2, R3, R4 can be one selected from a group consisting of hydrogen, halogen, C1≈C10 alkyl group, C2≈C10 alkynyl group, amino group, haloalkyl group and sulfonamide group.
