The present research included its biological characters , value in use , planting technique and tissue culture and so on , but the research on sitology , pharmacology , breeding and process was very poor 近年来的研究多集中在土人参的生物学特性、利用价值、栽培技术以及组织培养等方面,但在营养学、药理学、育种学及加工利用方面等方面的研究较少,甚至还存在空白。