The use of classical drug regimen is an actual useful ancient science of life. There are several natural products that become the first step for drug development at present. The medicinal chemistry plays important roles as a basic way for studying of natural product^[1]. To verify and approve the natural product that can be useful in gastroenterology is a very useful research at present. Indeed, many modern drugs used in gastroenterology starts from medicinal chemistry studies on natural products use in natural medicine^[2]. The “continuing popularity, and longevity of traditional astrological and Galenic beliefs and practices” is an important point to be concerned^[3]. Ghosh and Playford noted that “there is sufficient preliminary data to warrant further research of these products in order to identify novel compounds for potential clinical use in addition to performing formal randomized controlled clinical trials of the commercial preparations^[2].” To promote the success in integrating of classical natural medicine and present modern technique to search the new drug is an actual aim of good natural medicine curriculum^[4]. It should be the role of any medical college to correspond to this function.

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