Pearl powder can not be applied to mouth ulcers, pearl powder does not have the efficacy of treating mouth ulcers, and the use of pearl powder for oral intake, and not for external application. Pearl powder is the end of the pearl, have peace of mind, eyesight cataract effect, used for the treatment of palpitations and insomnia, the eyes of the cataract. During the period of taking, we should keep the emotion optimistic, do not be angry and irritated, avoid smoking, alcohol and spicy, greasy food. Children, pregnant women, the elderly and infirm should be taken under the guidance of the person who is allergic to this product is prohibited. If you are taking other drugs, you need to consult a physician or pharmacist before consuming this product. General treatment of mouth ulcers can be contained to take cediriodine tablets, or the use of ice boron powder, watermelon cream and other dispersions local spray on the affected area. The specific use of medication to follow the doctor’s instructions, should not be self-medication.