Progressive pigmented purpura-like dermatitis refers to progressive pigmented purpuric dermatosis in medicine, which generally cannot be cured by itself and needs to be treated by medication and physical therapy. 1. medication: patients can follow the doctor’s instructions for external use of mometasone furoate, halometasone and other glucocorticoid drugs, but also external use of polysulfonic acid mucopolysaccharide cream and other drugs, with anti-inflammatory effect. 2. Physical therapy: In addition to medication, patients can also consider infrared irradiation therapy, which is the use of infrared radiation to improve local blood flow, by improving metabolism to treat progressive pigmented purpura skin disease. For patients with progressive pigmented purpura dermatosis, it is recommended to go to the local hospital and cooperate with the doctor to take standardized treatment.