Moving Cupping for Plaque Psoriasis: a Randomized Controlled Trial

Inclusion Criteria: 1. Diagnostic criteria for plaque psoriasis; 2. Skin lesions involve ≤10% BSA (the lesions are mainly located in the torso / limbs, palm / sole, face / scalp, vulva area is not included); 3. Aged between 18 and 65 years. 4. Consent to participate in the research study and sign the informed consent form Exclusion Criteria: 1. Patients with pustular psoriasis, arthropathic, erythroderma psoriasis and / or drip psoriasis; 2. Plaque psoriasis patients with BSA\>10%; 3. Any clinically active skin diseases other than moderate to severe psoriasis vulgaris which might counter or influence the study aim; 4. Patients who used any of the following systemic treatments within 4 weeks before the Baseline visit e.g.: drugs for other studies, immuno-suppressive drugs, biologics; 5. Patients who used topical treatment within 2 weeks before the Baseline visit e.g. corticosteroids ultraviolet-light therapy including sunbathing; 6. Active infectious disease which was hard to control; 7. History of severe systemic disease. Or the clinical test index is one of the following: the ALT or the AST is higher than 1.5 times; Any of the main routine blood indexes (WBC, RBC, HB, PLT) is lower than the limit of normal; or other laboratory abnormalities and patients were judged not to be suitable for this study; 8. Family history of cancer-prone patients; 9. Patients with immunocompromised and can cause skin allergies and infection when moving cupping; 10. Pregnant or lactating women; 11. Patients with a history of alcohol abuse and drug abuse; 12. Have a history of serious mental illness or family history; 13 Other reasons researchers believe that patients are not suitable for this study.