Abstract: ^{Nicotiana tabacum} L., well known as tobacco, could be not only used for raw materials of producing cigarettes, but also as a folk Chinese herbal medicine. This paper offers a systematic review of newly reported compounds from N. tabacum over the past four years covering the literatures from the beginning of 2017 through the end of 2020 and describes their structural diversities and bioactivities. A total of 46 natural compounds and 42 references were updated and compiles in this review, which may be of interest to pharmacognosists and natural products chemists.

Key words: Nicotiana, tobacco, chemical constituent, bioactivities