The white skin after using compound tincture of hibiscus tincture is because the drug composition contains salicylic acid, benzoic acid, ethanol and other components, which are highly irritating and corrosive to the skin, and will cause the skin to turn white after using the drug. Therefore, when using the drug, do not touch the eyes, mouth and other mucous membranes, and it is also prohibited on the facial skin and other mucous membrane areas. If the skin is broken, the use of this drug should be strictly prohibited, and attention should be paid to the protection of the surrounding normal skin when using it. Since this drug is irritating and corrosive, contact with iron should be avoided. In addition, since this product is irritating to the skin, special care should be taken when using it for ringworm. It is not advisable to bring the medicine into contact with thin skin areas such as the scrotum and vulva, which can be exfoliated by prolonged use, and those who are allergic to ethanol should be strictly forbidden to use it. Patients should avoid smoking, alcohol, spicy, greasy and fishy foods when using the medicine. If the area where the medicine is applied has a burning sensation, increased itching or redness, stop using it and wash it off, and consult a doctor if necessary. This product is not suitable for patients with erosive foot odor and secondary infections. It is not suitable for patients with itchy skin caused by diabetes, kidney disease, liver disease, tumor, etc. Those whose symptoms are not relieved after three days of medication should go to the hospital.