White Silkworm can be used externally, or by a professional physician to identify and formulate a prescription for treatment. White silkworm is a kind of Chinese medicine, taste pungent and salty, flat, with a small poison, into the human lung meridian, liver meridian, stomach meridian, phlegm dispersal, resting the wind spasm (calm the wind, relieve spasm) and other efficacy, clinically there is a treatment of yellow face, not glossy and moist, sore throat, sores, stroke and other illnesses. The correct use of the drug is internal or crushed and externally adjusted compresses. However, when used for the treatment of chloasma and other skin discolorations, it is usually not used alone, but used externally in a formula, or taken internally after decoction in a formula. It should be noted that the use of white stalagmites in the treatment of disease must be dry, after the application of concoction, the fresh body of the insect is toxic should not be applied; the application of the drug treatment patients need to pay attention to a light diet, avoid fat, sweet and spicy food; severe allergies should not be applied. Adverse reactions are not clear. If the patient has a need for medication, must have professional medical guidance, not blindly self-use, so as not to lead to adverse consequences.