Analysis was made to the cold & hot strength and optical texture of the coke produced from 40 kg pilot oven of Lianyuan Iron & Steel based on commonly used coking coal and blending scheme.The test result indicates that as the degree of coal metamorphism goes further,the anisotropic texture increases first and then decreases,the coke from medium-grade metamorphism coal shows the highest anisotropic degree.Fiber texture and leaflet texture gradually increase with the coal metamorphism.Inert texture decreases first and then increases with the coal metamorphism; the medium-grade metamorphism coal has the lowest content of inert texture.As the proportion of the mosaic texture increases,the cold and hot strength of coke are getting better; with the proportion of coke inert texture increasing,the cold and hot strength of the coke will go worse.In order to ensure coke quality,the proportion of inert texture in coke should be controlled within an appropriate range in production.