The bamboo charcoal air purifying bag has the characteristics of fine and porous, hard texture, good air permeability, etc. The best air purifying charcoal bags are placed in the refrigerator, closet, shoe cabinet, bathroom, car, etc., exposed to the sun every 2~3 months, can remove the moisture and odor absorbed by bamboo charcoal, and maintain the good function of bamboo charcoal. After the bamboo charcoal fresh air purifying bag is placed for more than one year, the removed bamboo charcoal particles can be buried in the soil to improve soil activity, prevent pests and diseases, and promote plant growth. The best air purifying bag has a hard texture, good ventilation, good adsorption of harmful substances such as formaldehyde and sulfur dioxide. Natural air purifying bag can absorb formaldehyde, benzene, TVOC, sulfur dioxide and other harmful substances released from indoor wood-based panels, paints, paints, adhesives and insecticides. At the same time, the natural fentanyl is released to make the indoor and indoor air fresh and pleasant. We have nature bamboo charcoal air purifying bag.