The invention discloses a healing agent for preventing swelling and resisting infection after a
surgery. The healing agent comprises 0.05-0.1wt% of
cetylpyridinium chloride, 1-2wt% of serrapeptase, 50-70wt% of an
epidermal growth factor, 0.5-0.8wt% of
xanthan gum, 5-10wt% of collagen, 0.2wt% of
phenoxyethanol, 0.6-0.8wt% of
ethylhexylglycerin and 16.1-42.65wt% of
plasmin. The healing agent is directly placed into a wound or on the surface of the wound, and is high in
drug concentration in a surgical area, significant in effect, high
in patient acceptance and controllable in medical compliance; the healing agent can effectively prevent wound swelling, reduce pains and prevent infection, and has a significant
wound healing accelerating effect; the healing agent is a pure natural biological preparation, is an anti-inflammatory
drug not containing any antibiotic, does not contain hormones and sedatives, does not stimulate mucosae, and is free of side effects and adverse reactions.