Suitable cases: some skin swellings on the body surface (moles, warty moles, etc.) and some types of scars Unsuitable cases: 1. swellings on special body surface parts (such as organs with complex three-dimensional structures like eyes, nose, ears, etc.); 2. swellings with small areas (such as those the size of soybeans, fava beans, peanuts); 3. skin swellings of uncertain nature (such as those with malignant manifestations). Advantages of the operation: 1, no change of medication, suitable for some busy working people, especially for children with a low degree of cooperation; 2, no stitch removal, suitable for some busy working people, especially for children with a low degree of cooperation; 3, minimal damage to the skin, without any skin stitching “trauma”; 4. Good post-operative appearance, low impact on appearance. Suture-free methods: skin bioadhesive, continuous subcutaneous PDS suture, titanium-nickel memory alloy thread, etc. Surgical anesthesia: children – general anesthesia or local anesthesia (depending on the child’s cooperation); adults – local anesthesia Typical case photos: Before surgery (warty nevus 7.5cm×1.0cm) 2 days after surgery