After wound healing, the periphery is very itchy, red and swollen may be a normal phenomenon, or it may be a local bacterial infection, which needs timely treatment. 1. Normal phenomenon: wound healing around the very itchy, with redness and swelling may be a normal physiological phenomenon, the general healing of local granulation tissue proliferation, peripheral vascular expansion, can be manifested as the phenomenon of redness, while the nerve endings are stimulated, there can be obvious itchy sensation, after a period of time, the color will be transformed into normal skin color. 2. Localized bacterial infection: Itchy, red and swollen around the wound after healing, there may be a localized bacterial infection, which should be treated in time. If you can’t confirm whether it is a bacterial infection or not, you still need to consult a doctor in time and follow the doctor’s instructions, so as not to delay the treatment.