Talc belongs to a kind of heat-clearing and dampness-drying (clearing heat and drying dampness) medicine, the specific dosage needs to be decided according to the condition, the general dosage is between 10-20g. Slippery stone has the effect of inducing diuresis, clearing heat and removing summer heat, and collecting dampness and astringing sores, and can be taken internally or used externally. The general dosage for internal use is 10-20g, which needs to be decocted or put into pills or powder. When used externally, the dosage depends on the condition, take the appropriate amount of powder to sprinkle or adjust the compress. Talc is cold and slippery in nature, cold can clear heat, slippery can benefit the orifices, so it can be used for bladder damp-heat condensation (dampness and heat in the body of each other), urinary astringent pain, hot lymph (burning and stinging pain when urinating, accompanied by urinary frequency and urgency, abdominal tract discomfort) and other certificates. Talc can be used externally to treat skin eczema, wet sores, children’s heat rash, can clear heat and collect dampness, astringent sores and relieve itching, can be used alone, but also and calcined gypsum, glycerite ground into a powder and spread on the affected area. At this time the dosage depends on the size of the lesion area, the right amount of evenly coated can be. However, it must be noted that people with spleen deficiency and weak qi, essence and slippery and fever law injury should not be taken, and pregnant women and infants and young children should be cautious. It is recommended to use the drug under the guidance of a doctor, not blindly self-medication.