There has been great interest in recent years to take advantage of stem cells to treat liver cirrhosis. Mesenchymal stem cells (MSC) has been shown to be safe and effective for liver diseases in some studies. Randomization controlled studies are needed to confirm the long term effect of MSC treatment for liver cirrhosis. This study aimed to investigate the safety and efficacy of mesenchymal stem cells in hepatitis B and C related liver cirrhosis patients.