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Objective:To investigate the effects of anastrozole combined with Shuganjiangu decoction on osteoblast-like cells.Methods:Human osteoblast-like cells MG-63 were cultured and divided into four groups:control,anastrozole,Shuganjiangu decoction (SGJGD),and anastrozole combined with SGJGD.Cell proliferation was investigated by MTT assay.Alkaline phosphatase (ALP) and osteocalcin,the indicators of cell differentiation,were evaluated by p-nitrophenylphosphate method and radioimmunoassay,respectively.Gene expressions of ALP,osteocalcin,osteoprotegerin (OPG) and receptor activator of nuclear factor kappa B ligand (RANKL) were examined by real-time PCR.Results:As evidenced by MTT assay,cell proliferation of MG-63 was inhibited by anastrozole,but stimulated with treatment of SGJGD alone and combined with anastrozole (P＜0.01).Compared with control group,ALP activity was increased by the treatment of SGJGD alone and combined with anastrozole (P＜0.01).Also,osteocalcin secretion was enhanced with the treatment of SGJGD single and combination with anastrozole (P＜0.05).In the real-time PCR assay,gene expressions of ALP and osteocalcin were significantly increased (P＜0.01 for ALP,P＜0.05 for osteocalcin) by the treatment of SGJGD and anastrozole combined with SGJGD,but the expression of RANKL was decreased (P＜0.05).Moreover,anastrozole combined with SGJGD upregulated gene expression of OPG (P＜0.01).Conclusion:SGJGD may alleviate the injury effects of anastrozole on MG-63 cells through adjusting bone formation and resorption indicators.