The nature medicinces is a very important portion of medicines. In china, thenature medicinces was also called Traditional Chinese medicinces (TCM), which arevery important for Chinese to prevent and cure disease all along. The components ofthe TCM are very complex, to study and apply the active ingredients of them, weneed to extract, separate and isolate the single component from plants. Therefore, theextraction, isolation and identification of the active components in TCM are more andmore impor...