The durable flame-retardant fabric is made by finishing common textiles via special techniques. It has excellent property of flame retardant. When the fabric is ignited, it will be carbonized instead of generating flame. The carbonization stops when the fabric is brought away from the fire source. The fabric is widely used for making flame-retardant protective clothes in such fields as petroleum, chemical engineering, military engineering, fire-fighting, coal mine. It is also used as decorative flame-retardant cloth by hotels, restaurants, discos and theaters. The limited oxygen index is not less than 30 and the damage length is not longer than 150 mm. The fabric has good durability to laundering and dry cleaning. All properties are in accordance with standards like GB8965-98 and EN 531.