Tianzihao is not a direct reference. Different ginseng, also known as Korean ginseng, has been graded abroad, and Korean ginseng is quantified into five grades: heaven, earth, goodness, cutting and tail. Among them, Korean ginseng with square name is the highest one, which looks like Chinese characters, and its appearance color is brownish red, because its epidermis has been infiltrated by ginseng oil, and it is a typical first-class red ginseng, and its output only accounts for Korean ginseng. The scientific name of Korean ginseng is Korean ginseng, allopanax ginseng, and the roots of Araliaceae ginseng are processed and steamed, and divided into Korean red ginseng and Korean red ginseng.