When burning, it produces no smoke,no toxicity,no pollution. After burning, there is little white ash which can be used in removing the bas smell in kitchen and refrigerator and purifying the air. The machine-making charcoal has a wide usage. In daily life, it can be used in burning, chafing dish, wall hearth and filtering the water in water plant, In industry, it can be used in non-ferrous metal metallurgy and the production of no oxygen copper bar. In medical treatment, it can be used in pharmmacy and removing poisonous matter . In military affairs, it can be used in producing dynaamite and powder.