Coix lacryma-jobi is a tall grain-bearing tropical plant commonly called “yulmu” in Korea, “Job`s Tears” in the West, and “hatomugi” in Japan. Seeds are used as a source of food and folk medicine in Asia. Medicinally, the seeds of C. lacryma-jobi have long been used in Traditional Oriental Medicine for the treatment of various ailments including warts, chapped skin, rheumatism, neuralgia, and inflammatory diseases. Recently, a number of studies showed anti-oxidant, anti-inflammatory, anti-tumor, anti-mutagenic, anti-allergic, hypoglycemic, and anti-microbial activities of C. lacryma-jobi.