Abstract: A new coix cultivar‘Renyi 1’was systematically selected from an excellent single plant. The plant has compact and upright type，short stem，developed root system，strong lodging resistance，medium resistance to smut，and the growth period is 158 days. The number of grains per plant is 270，the grains is oval，chitin. One thousand grains is 100 g，and the yield is 4 875 kg • hm-2. The protein content is 18.6%，fat content is 7.3%，carbohydrate content is 56.8%. It is suitable for planting in Qianxinan Prefecture，Guizhou Province at an altitude of 1 100–1 300 m and Anshun City at an altitude of 1 100–1 200 m.

Key words: Coix lacryma-job, dwarf, cultivar