Picking off the scab will usually leave a scar. After scabbing, the scab should be allowed to fall off naturally, and if the scab is picked off before it falls off naturally, it is likely to leave a scar. Scabs belong to one of the stages of wound healing, and the scabs on the wound refer to the necrotic tissue that is shed during the healing process. Normally, scabs should be allowed to fall off naturally over time to help prevent scarring of the skin. Picking off the scabs will usually leave scars because the scabs have not fallen off naturally and the wound has not healed completely, while picking off the scabs without authorization may cause local infections, affecting the skin’s recovery, which may lead to localized scarring or pigmentation. For patients with localized scabs, it is not recommended to pick them off without authorization, and they should be allowed to fall off naturally over time, so that it is not easy to leave scars. It is recommended to go to the hospital and consult the doctor to clarify the relevant matters.