Hot melt pressure-sensitive adhesive is mainly a solid block adhesive made by mixing and heating synthetic rubber, resin and rubber oil. This kind of hot-melt adhesive has the greatest advantages of low cost, convenient and simple glue use and environmental protection. The defect is that the viscosity is sensitive to temperature. It is mainly used for all kinds of box sealing, box sealing, paper packaging, general labels, electronic labels, beverage bottle labels, sealing aluminum foil, floor mute pads, car seats, bus floor leather fitting, medical and health materials, etc. it is suitable for all kinds of materials and is widely used.