A RCT of Moist Ag Dressing in Chronic Wound

Inclusion Criteria: 1. The patient's age ranges from 18 to 80 years old. 2. According to the IWII wound infection staging, infected wounds are classified as local infections\*. 3. The wound type is ulcer, with an ulcer area ranging from 1 to 40 cm². 4. The wound stage is in the necrosis stabilization phase, granulation growth phase, or epithelial crawling phase\*\*. 5. Voluntary participation in this study and signing the informed consent form Exclusion Criteria: 1. Severe diseases such as acute myocardial infarction, heart failure, hepatitis, shock, and respiratory failure have not been corrected yet; 2. The blood sugar level of diabetes is out of control, with fasting blood sugar \> 15 mmol/L and glycosylated hemoglobin ≥ 10%; 3. There is active bleeding in the wound, and the conventional basic treatment plan cannot be implemented; 4. Serum albumin \< 20 g/L; hemoglobin \< 60 g/L; platelets \< 50 × 109/L; 5. Disseminated infection or systemic infection state, and antibiotics are being used or will be used for treatment; 6. Patients with advanced malignant tumors; 7. The patient is in the active stage of autoimmune diseases; 8. The patient has previously been allergic to self-adhesive soft polysilicone silver ion foam dressings (Meipikang Silver) or Anxidean Nano Silver Trauma Patch; 9. The patient cannot cooperate or has a mental disorder; 10. According to the investigator's judgment, the subject has clear reasons that affect wound healing and is not suitable for this study or cannot comply with the requirements of this study.