It is not very realistic to have a trauma and to try not to leave a scar at all. However, it is possible to make the scar less visible and less distinct from the normal surrounding tissue, which is what we call a blurred scar, and this involves scar prevention. First of all, you should wait for the scab to fall off naturally, do not remove the scab in advance, as this will affect the healing of the scar. After the scabs fall off, we need to intervene at an early stage, which includes local pressure and compression, for some extremities or trunk areas, we need to wear an elastic sleeve for local compression treatment. For small ones, silicone gel can be applied or silicone film can be attached for 3-6 months for improvement. If these improvements are not obvious, then we can also take intra-scar drug injection or radiotherapy for improvement. Summary: Scarring can be prevented by the following measures after scabbing: 1. Allow the scab to fall off naturally and avoid human intervention. 2. Pay attention to sun protection, UV rays can aggravate the pigmentation of the scar area. 3.After the scab is completely peeled off, early intervention is needed, including local pressure and compression, application of silicone gel, etc. 4.Use intra-scar drug injection or radiotherapy to improve.