The 100% cotton flame retardant material is made up of the 100% natural cotton fiber. Good air and water vapor permeability, comfortable and easy to wear and soft handfeel are its prominent feature. After processed by the fire retardant of Xinxing, permanent cross-linking can be formed in the inner organization of the fabric to make it have the permanent feature of flame retardant and thus it can be washed more than 50 times. This kind of flame retardant fabric can not only prevent the flame from spreading efficiently, but also keep the original property of it. The flame retardant property can meet the standard of ENISO11611, ENISO11612, ENISO14116, NFPA2112 ect.