Abstract: Semen coicis is an edible type of traditional Chinese medicine. The coix ester and coix triglyceride are its main active ingredients with antitumor properties. Its therapeutic agent, referred to as Kanglaite, exhibits great effect towards treating malignant tumors, such as those of primary liver cancer, but has mild toxicity. This thesis mainly discusses the recent applications and research on Kanglaite in the treatment of primary liver cancer.