Pearl can be used as a proprietary Chinese medicine, but it does not have the efficacy or effect of expectorant, so it can not be expectorant. Medicinal pearl for pearl mussel family animals horse pearl mussel, mussel family animals triangle sail mussel or pleated crown mussel and other bivalves stimulated by the formation of pearls, which has the tranquility of the spirit and calm the alarm, bright eyes and eliminate cataracts, moisturize the skin to remove spots, detoxification and muscle and other effects. Pearls can be used for palpitations and insomnia, convulsions (with dizziness, convulsions, convulsions as the main manifestation of pediatric diseases) epilepsy, red eye cataracts, skin discoloration and ulcers do not convergence and other diseases of the treatment. It should be noted that the use of pearl as a drug should be according to the water flying method into the finest powder, and its more into the use of pills, can also be used externally, the specific use of the recommendations under the guidance of a physician, do not blindly take pearl or pearl powder.