Methods of removing post-inflammatory hyperpigmentation include topical medication, other treatments, etc. The specific speed of elimination varies from person to person, and should be treated accordingly by timely consultation. Topical drug treatment, including inhibition of melanocyte proliferation drugs, such as tranexamic acid, niacinamide, azelaic acid, etc., can inhibit the proliferation of melanocytes, thus reducing local hyperpigmentation and improving the symptoms; inhibition of tyrosinase activity drugs, such as hydroquinone, etc., can inhibit melanin production; 2. Other treatment methods. Including photoelectric therapy, such as laser therapy, intense pulse light therapy, etc., for the deposition of pigment can be improved by photothermal effect; chemical peeling, which can promote the reconstruction of the epidermis and reduce the pigmentation of the skin. It should be noted that daily sun protection should be done, because continuous exposure to ultraviolet rays can drive the activation of potential melanocytes and increase pigmentation. The use of the above medications and treatments should be used under medical supervision.