Self-adhesive hygienic product and preparation method thereof

The invention relates to a self-adhesive hygienic product and a preparation method thereof. The self-adhesive hygienic product is in a fingerstall shape or a sheet shape, the self-adhesive hygienic product is provided with a first face on the surface side and a second face located on the reverse side of the first face, and the self-adhesive hygienic product is provided with a micro-nano array structure which can achieve reversible wet adhesion and is used for being adhered to vaginal orifice or urethral orifice tissue on the first face. The self-adhesive hygienic product is breathable and liquid-tight, and when the self-adhesive hygienic product is adhered to vaginal orifice or urethral orifice tissues, the self-adhesive hygienic product completely blocks the vaginal orifice or the urethral orifice so as to prevent contents in the vagina or the urethral orifice from flowing out. The self-adhesive hygienic product has the advantages of safety, comfort, privacy, environmental protection, burdenability and the l