Butyl rubber tape for sound insulation and damping which made from butyl rubber as main material and supplemented by other additives, by processing and becomes a sound insulation and damping material with environment-friendly, solvent-free, sealed and adhesive. It has stable chemical properties of chemical resistance, weather fastness, high and low temperature resistance, and corrosion resistance that its working life is about 20-25 years. It can effectively reduce the vibration of the voice so that achieving sound insulation and damping.