The recovery time for hyperpigmentation caused by psoriasis varies from person to person, ranging from a few months to several years. Psoriasis, also known as psoriasis, is a chronic and easily relapsing inflammatory skin disease, the most common manifestation of which is accompanied by scaly erythematous plaques or plaques, and lesions can be generalized throughout the body, and aggravated in the winter and spring seasons. After anti-inflammatory and anti-immune treatments, the erythema of psoriasis can leave brown or light brown pigmentation, which can last for months or even years on the skin surface without any treatment. For the pigmentation left behind by psoriasis, physical therapy, medication, such as topical application of vitamin E milk, and attention to strengthen the nursing and other ways to promote the fading of pigmentation, which can also greatly shorten the time for pigmentation to subside. Due to the large individual differences in clinical manifestations, the specific situation requires a doctor’s consultation and the formulation of the best improvement plan.