The invention discloses a rapid rivet gun which comprises a universal joint, a display window, a rivet gun main body, a gas charging device, a pressure meter, a guide tube and a machine body, wherein the lower end of the rivet gun main body is provided with a handle; the rivet gun main body is connected to the handle in a hot melting manner; a protective sleeve covers the outer side of the handle; the bottom of the handle is provided with a gas charging hole; a trigger is arranged on the handle; one end of the rivet gun main body is connected to the universal joint; and a joint of the universal joint and the riveting main body is provided with a safety switch. The rapid rivet gun is high in riveting speed, is safe and reliable and can be used for riveting a small-diameter rapid rivet; operation fatigue strength of a worker is reduced, human engineering performances are improved to the greatest extent and the purpose of improving the production efficiency is achieved; maintenance is simple, so that production efficiency is maximized, gas pressure can be automatically increased, and the rivets can be continuously riveted; and the rapid rivet gun is suitable for most of stations with limited riveting spaces.