Compound glycyrrhizin capsule can treat psoriasis, because this drug has the role of anti-allergy, immunomodulation and hepatoprotection. For psoriasis with itching symptoms caused by inflammation, oral intake of this drug can play a role in anti-inflammatory, anti-itching therapeutic purposes, but also can play a certain anti-allergic efficacy. For psoriasis is mostly caused by immune disorders, around the skin lesions can gather abnormal T lymphocytes, you can take this drug orally to regulate the local skin immune function, to achieve the purpose of treating the disease. At the same time, psoriasis is caused by metabolic disorders, usually patients can appear a small portion of elevated blood lipids and liver function abnormalities, oral administration of this drug can play a certain role in the protection of the liver, but also indirectly treat psoriasis.