The invention discloses a health-care water diversion plug provided with a cork oak. The health-care water diversion plug comprises a water receiver sealing cover, a plug body, two fastening nuts, a cork sealing gasket assembly and a traditional Chinese medicine ring bag, wherein the cork sealing gasket assembly consists of an upper cork sealing gasket piece and a lower cork sealing gasket piece which are mutually matched, and adopts a cork oak cork sealing gasket assembly which comprises cork oak barks and cork oak husks, the cork oak barks account for 88%-92% of total mass, and the cork oak husks account for 8%-12% of total mass; the traditional Chinese medicine ring bag is arranged on the cork sealing gasket assembly and made of gauzes, and 4.8-5.2 g of shisandra chinensis, 0.9-1.1 g of radix ophiopogonis and 0.9-1.1 g of flos farfarae are accommodated in the traditional Chinese medicine ring bag. The health-care water diversion plug adopts the cork oak cork sealing gasket assembly and is provided with the medicine ring bag accommodating shisandra chinensis, radix ophiopogonis flos farfarae, so that the health-care efficacy of supplementing qi, promoting the production of body fluid, astringing lung, nourishing kidney, preventing diarrhea, arresting seminal emission and calming nerves is achieved, and guarantee is provided for purifying drinking water quality.