Biomass is a kind of safe and environmentally friendly chafing dish fuel, which has the characteristics of environmental protection, safety, convenience, long combustion time and high temperature. The highest temperature can reach 1050 degrees. At the same time, it can be used as an additive of syrup or medicine to achieve the effect of moistening intestines, so it is a non-toxic and harmless product. The products are suitable for the heating and insulation of buffets and small hot pots in hotels, restaurants, picnics and other dining places.