"Chen tao" is a Chinese term that refers to a type of herb that has numerous health benefits. However, there are several synonyms for this term that many people may not know. For instance, "shiso" is a Japanese word used to describe this same herb. In Korea, "soyeop" is the word used to refer to chen tao. Furthermore, in English, chen tao is also sometimes referred to as "purple perilla." One can add chen tao to salads or use it as an herb for seasoning. Whatever name you choose to use, this herb provides a wealth of health benefits, from boosting the immune system to fighting inflammation.