Tin-like powder is not usually used to treat internal ulcers. The ingredients of Tin-like San are Qingdai, wall money charcoal, human nails (talcum powder system), pearl, ice tablet, artificial oxalis, etc. It is a grayish-blue powder with the aroma of ice tablet, which has the efficacy of detoxifying and resolving corrosion, and can be used for the swelling and pain of pharyngeal eruption. Use a little of each and blow on the affected area. The adverse reactions and contraindications of this product are not clear. Please do not breathe when spraying or applying the medicine in the mouth, and children should not cry in order to prevent the powder and other medicines from entering the respiratory tract and causing choking and coughing. The instruction of this drug does not indicate that it can treat endovaginal ulcers, so it is not recommended as a treatment drug for endovaginal ulcers. If you feel unwell, it is recommended to go to a regular hospital as soon as possible, to clarify the cause of the disease, under the guidance of the doctor to carry out treatment, should not be self-diagnosis and treatment, in order to avoid delaying the condition.