Clinical Observation and mechanism research on the intervention of Zicao Acne Ointment Combined with Acupuncture on acne of damp-heat type in the Spleen and stomach

INTERVENTION: control group:Filiform needle acupuncture, three times a week for a total of four weeks;experimental group:The intervention of fine needle acupuncture combined with Zicao Acne Ointment lasted for 4 weeks; CONDITION: Acne PRIMARY OUTCOME: Global Acne Grading System; SECONDARY OUTCOME: Classification of acne lesions;Acne‐specific Quality of Life Questionaire;traditional Chinese medicine syndrome point; INCLUSION CRITERIA: 1. It meets the diagnostic criteria of both traditional Chinese and Western medicine for acne vulgaris; 2. It meets the diagnostic criteria for damp‐heat syndrome of the spleen and stomach in traditional Chinese medicine. 3. Age between 18 and 45, with no gender restrictions. 4. No other medications related to acne treatment have been taken or applied externally in the past two weeks. 5. The subjects were informed and voluntarily signed the "Informed Consent Form", and determined to actively cooperate with the treatment to complete this study.