Hemp fiber has high heat resistance. It can be used at 370'C without discoloration. It is suitable for all kinds of fabrics. It is resistant to mildew and sterilization. The hemp fiber is hollow and contains oxygen at ordinary times, making anaerobic bacteria unable to survive. It has obvious killing effects on Staphylococcus aureus, Pseudomonas aeruginosa, white coccus, Trichophyton gypsiformis, and Aspergillus penicillatus. Cannabis does not use any chemical pesticides and pesticides. It can be used as shoes to prevent beriberis. It is a standard green product.