Objectives : This research was observed by examining the external and internal parts and the quantity of the surface components of the wild type and cultivar of Angelica tenuissima in korea. Methods : The slice of the tested material made by paraffin section technique was colored with Safranine Malachite Green contrast methods, and then observed and photographed by the microscope and examined the quantity of the surface components. Results : 1. The cultivar has comparatively many thick roots while the wild type has many radicles, with its root and stem constituting the major part, and the size of its root is small. 2. In case of ferulic acid, the wild type contains 0.066% of it, while the cultivar, 0.031%, The wild type contains 4.258% of z-ligustilide and the cultivar, 1.956%. Conclusions : It was thought that there might be also some differences in their genetic characteristics, etc. On this, however, further in-depth study is needed.