Disclosed are an adhesive tape (100) with non-adhesive portion and a usage method thereof. The adhesive tape (100) with non-adhesive portion comprises a body and a non-adhesive portion (110) having no adhesiveness. The body (120) has a first surface having adhesiveness and a second surface the non-adhesive portion (110) is provided on the first surface of the body such that the body is divided into an upper adhesive portion (100a) and a lower adhesive portion (100b), the configuration of the non-adhesive portion (110) being conformable to the configuration of the part where the body overlaps with the non-adhesive portion, and the non-adhesive portion (110) having a height larger than the thickness of the double lips of a user when closing his/her mouth. When the adhesive tape (100) with non-adhesive portion is applied to the mouth of the user, part of the region of the mouth is covered by the non-adhesive portion (110), the upper adhesive portion (100a) is stuck above the upper lip and the lower adhesive portion (100b) is stuck below the lower lip, and the upper adhesive portion (100a) and the lower adhesive portion (100b) are untouched by the lips of the user.La présente invention concerne un ruban adhésif (100) doté dune partie non adhésive et son procédé dutilisation. Selon linvention, le ruban adhésif (100) doté dune partie non adhésive comprend un corps et une partie non adhésive (110) nayant pas de pouvoir adhésif. Le corps (120) comporte une première surface ayant un pouvoir adhésif et une seconde surface la partie non adhésive (110) est disposée sur la première surface du corps de sorte que le corps est divisé en une partie adhésive supérieure (100a) et une partie adhésive inférieure (100b), la configuration de la partie non adhésive (110) pouvant se conformer à la configuration de la partie dans laquelle le corps chevauche la partie non adhésive, et la partie non adhésive (110) ayant une hauteur supérieure à lépaisseur des deux lèvres dun utilisateur ou du
