The invention relates to the technical field of biological antibacterial dressings, in particular to a medical biological
antimicrobial dressing for a
nasal cavity and an
oral cavity and a preparation method of the medical biological
antimicrobial dressing. The medical biological
antimicrobial dressing is prepared from modified
chitosan,
camellia oil, peppermint oil, alums,
olive oil,
almond oil, a garlic extracting solution, a
momordica grosvenori extracting solution, a licorice extract and anise oil. The medical biological antimicrobial dressing contains various raw materials with the effects of clearing heat, removing
toxicity, relieving swelling and pain, cooling blood, stop bleeding, sterilizing, abandoning
disease, resisting allergens, moistening
skin and promoting
granulation, and the raw materials supplement one another, so that the medical biological antimicrobial dressing can effectively inhibit and kill germs, relieve swelling and pain, stop bleeding, moisten
skin and promote
granulation, improve the environments in the
nasal cavity and nasal sinus and the ventilation function of the
nasal cavity, form an invisible protective film on the surface of a mucosa, effectively cure allergic rhinitis and chronic nasosinusitis, and prevent and treat oral diseases, particularly oral ulcer and
gingivitis. The medical biological antimicrobial dressing has the characteristics of low cost, good
curative effect and low possibility of recurrence.