Cotton lightweight and flame-retardant fabric suitable for use in jumpsuits and shirts, mainly used in oil and gas and other industrial industries. It adopts the most popular natural fiber cotton fabric and cooperates with Yulong's sophisticated flame retardant process. The fabric is self-extinguishing in case of fire, no droplets, carbon length within 10cm, soft hand feeling, good strength and good wear resistance. The formaldehyde content can be controlled within 75ppm, which is more environmentally friendly and prevents the human body from being harmed. This all-cotton flame retardant fabric is best suited for use in humid and hot conditions. It is breathable and moisture absorbing to effectively isolate heat stress. The fabric is more washable than the clothing and can be washed more than 100 times.