The utility model discloses a nail clipper for a person with one hand, which comprises a clipper body, which comprises an upper clipper plate and a lower clipper plate. The upper clipper plate is connected with the lower clipper plate through a connecting shaft which is close to cutting edges. The nail clipper further comprises a pressure plate disposed at the tail of the clipper body. The pressure plate comprises a connecting part with a slant, a support part and a pressure plate bearing part, wherein the support part is connected with one end of the slant of the connecting part by forming an angle larger than 90 degrees and smaller than 180 degrees, and the pressure plate bearing part in the same direction as the connecting part is connected with the other end of the support art. The bottom of the support part is connected with the tail end of the lower clipper plate through a rotary shaft. The tail end of the upper clipper plate is abutted to the slant of the connecting part. The nail clipper is simple in structure and stable. When using the nail clipper, a user can bend a finger with nail to be clipped, reach the nail to the cutting edges, slowly press down the pressure plate with the underside of a palm to tilt up the slant of the pressure plate so as to hold against and tilt up the rear end of the upper clipper plate, and clip off the nail after the front end of the upper flipper plate presses down and the cutting edges are closed. The nail clipper is convenient to use and especially suitable for people to use with a single hand.