Objective:To summarize the application of several refining methods in purifying Traditional Chinese Medicine preparation in recent years.Method:By consulting literatures.Result:Alcohol sedimentation

membrane separation technique

overspeed centrifugal

clarifier sorption and macroporous resin have their own advantage

while there are some problems in each method.Conclusion:You should choose and compare defferent refining methods according to the need of clinical treatment

the chemical character of each medicine in prescription and the request of preparation

and you can apply two kinds or several kinds of fefining methods.