The invention discloses a handheld defect management terminal. The handheld defect management terminal is technically characterized in that the terminal comprises a casing; a scanning imaging module, a reading and writing module, a defect recording module, a defect description module, a power storage module, a wireless communication device, a display screen and a keyboard are connected through data cables and are arranged in the casing; an elastic cover is arranged around the casing; the protective cover comprises a socket ring and a flexible fender; the size of the elastic fender along the thickness direction of the casing is greater than the thickness of the casing; a clamping band is arranged on the back along the length direction of the casing; a groove into which the clamping band is embedded is arranged on one end of the back; a wrapping member is arranged on the opening end of the groove, wherein the clamping band is wrapped on the wrapping member; a holding member which is used for fixing the end part of the clamping band is arranged on one end, which is away from the groove, of the back; the front is covered by an isolation hood; a sealing edge is arranged around the front of the casing; a flanging protrudes around the isolation hood; and a mounting edge protrudes on the inner wall of the flanging on the opening end. The casing of the terminal is drop-proof and waterproof, and is easy to hold and carry.