The bamboo zuo fluid's ingredient besides the moisture content, is mainly the organic acid, the phenol, the ketones, the alcohol type, the ester, material nearly 300 kinds and so on heterocyclic ring class. Its ingredient along with the collection method, the thermal decomposition craft, the storing condition and so on different changes. The bath can improve with the coal package bathes the water quality, the phenomenon which after eliminating takes a bath when uncomfortableness and bath, feels cold: Can the fat ultra adsorption, be able to prevent the dirt to attach on the bathtub: The use can cause the skin frequently to moisten.