Glasses (100, 100a) comprising: a glasses frame, comprising a bridge, wherein the bridge has a groove provided in a vertical direction; a nose pad (20, 20a), comprising a positioning section (21, 21a) and a support section, wherein the support section is connected to an end portion of the positioning section (21, 21a), the positioning section (21, 21a) is slidably disposed in the groove, and the positioning section (21, 21a) has a plurality of locking slots (211, 211a) and a limiting slot (212, 212a), wherein the plurality of locking slots (211, 211a) are arranged in pairs of two on two opposite sides of the limiting slot (212, 212a); and an adjustment mechanism (30, 30a), disposed at the glasses frame, wherein the adjustment mechanism (30, 30a) comprises: a pressing member (31, 31a), disposed perpendicular to the groove, wherein one end of the pressing member (31, 31a) protrudes from one side of the groove, and the other end penetrates through the groove and the limiting slot (212, 212a); and a positioning member (32, 32a), disposed at the glasses frame and connected to the other end of the pressing member (31, 31a), wherein the positioning member (32, 32a) is capable of moving from a positioning position to a release position by pushing of the pressing member (31, 31a); when the positioning member (32, 32a) is located at the positioning position, the positioning member (32, 32a) is inserted into a pair of the locking slots (211, 211a), and when the positioning member (32, 32a) moves to the release position, the nose pad (20, 20a) is capable of moving in the groove along the limiting slot (212, 212a), characterized in that: the limiting slot (212, 212a) is disposed in a vertical direction, and a length of the limiting slot (212, 212a) limits a range in which the nose pad (20, 20a) can slide up and down without being stopped by the pressing member (31, 31a) of the adjustment mechanism (30, 30a). a glasses frame, comprising a bridge, wherein the bridge has a groove provided in a vertical direction; a nose pad (20, 20a), comprising a positioning section (21, 21a) and a support section, wherein the support section is connected to an end portion of the positioning section (21, 21a), the positioning section (21, 21a) is slidably disposed in the groove, and the positioning section (21, 21a) has a plurality of locking slots (211, 211a) and a limiting slot (212, 212a), wherein the plurality of locking slots (211, 211a) are arranged in pairs of two on two opposite sides of the limiting slot (212, 212a); and an adjustment mechanism (30, 30a), disposed at the glasses frame, wherein the adjustment mechanism (30, 30a) comprises: a pressing member (31, 31a), disposed perpendicular to the groove, wherein one end of the pressing member (31, 31a) protrudes from one side of the groove, and the other end penetrates through the groove and the limiting slot (212, 212a); and a positioning member (32, 32a), disposed at the glasses frame and connected to the other end of the pressing member (31, 31a), wherein the positioning member (32, 32a) is capable of moving from a positioning position to a release position by pushing of the pressing member (31, 31a); when the positioning member (32, 32a) is located at the positioning position, the positioning member (32, 32a) is inserted into a pair of the locking slots (211, 211a), and when the positioning member (32, 32a) moves to the release position, the nose pad (20, 20a) is capable of moving in the groove along the limiting slot (212, 212a), a pressing member (31, 31a), disposed perpendicular to the groove, wherein one end of the pressing member (31, 31a) protrudes from one side of the groove, and the other end penetrates through the groove and the limiting slot (212, 212a); and a positioning member (32, 32a), disposed at the glasses frame and connected to the other end of the pressing member (31, 31a), wherein the positioning member (32, 32a) is capable of moving from a positioning position to a release position by pushing of the pressing member (31, 31a); when the positioning member (32, 32a) is located at the positioning position, the positioning member (32, 32a) is inserted into a pair of the locking slots (211, 211a), and when the positioning member (32, 32a) moves to the release position, the nose pad (20, 20a) is capable of moving in the groove along the limiting slot (212, 212a), characterized in that: the limiting slot (212, 212a) is disposed in a vertical direction, and a length of the limiting slot (212, 212a) limits a range in which the nose pad (20, 20a) can slide up and down without being stopped by the pressing member (31, 31a) of the adjustment mechanism (30, 30a).