Hemp, also known as industrial hemp, has more than a dozen aliases. In recent years, industrial hemp fiber has also been developed to make clothes. Industrial hemp fiber is a typical functional, environmentally friendly and precious textile fiber. It has the characteristics of moisture absorption, breathability, comfort, heat dissipation, mildew resistance, antibacterial, and radiation resistance. It is an ideal material for outdoor and sportswear. The moisture discharge of hemp is three times that of pure cotton, and hemp fabric can eliminate attached bacteria within 1 hour. Hemp fabric can block more than 95% of ultraviolet rays, does not change color at a high temperature of 370℃, does not burn at 1000℃, and has excellent heat and sun resistance. Hemp fiber has good wearing and use performance. It is an excellent textile raw material and is recognized as the "king of natural fibers."