Dark marks on the body may be caused by post-inflammatory hyperpigmentation, medical disorders, and sunburned skin, which can be removed with the help of medication and medical aesthetic treatments. In addition, fixed drug rashes caused by drugs, its pigmentation spots can not be eliminated. 1. Post-inflammatory hyperpigmentation: After various inflammatory diseases such as folliculitis, acne, trauma, dermatitis, etc., such as careless care or the presence of irritating factors, etc., may cause localized post-inflammatory hyperpigmentation of the skin, which is manifested as black marks on the body. Patients can apply local hydroquinone cream, azelaic acid cream, vitamin A acid cream and other drugs to help inhibit the formation of local melanosomes, prevent melanosomes from transferring, promote melanin metabolism, thus helping to effectively improve the black marks on the body. 2. Internal diseases: adrenal-related diseases, liver disease and other internal diseases can lead to abnormal pigment metabolism in the body, which may cause abnormal pigment metabolism, resulting in the occurrence of the phenomenon of black marks on the body, such patients can be glucocorticosteroids such as methylprednisolone and other hepatoprotective drugs such as hepatoprotective tablets, glutathione and other medications to help treat the internal diseases, and then remove the body of the black marks. 3. Sunburn: excessive ultraviolet radiation on the skin of the body can cause sunburn, which leads to the formation of black marks on the body, such patients can use hats, masks, umbrellas, sunglasses, ice sleeves, sunscreen clothing, sunscreen, sunscreen spray and other sunscreen products to help slow down the darkening of the body, and in severe cases, you can use lasers, chemical peeling and other medical treatments to help remove the black marks. It should be noted that the above medications and treatment measures need to be carried out under the guidance of a physician to avoid adverse reactions.