The invention discloses an anti-collision buffer plate of an automatic discharge type pressure gauge screwing machine. The anti-collision buffer plate comprises a fixed base, a pressure gauge and a rotary base, wherein the rotary base which is movably connected is arranged in the fixed base, fixing rods which are symmetrically distributed and fixedly connected are arranged at the two ends of one side of the fixed base, the upper ends of the fixing rods are connected through a connecting plate, adjusting plates are arranged at the bottom of the connecting plate, first connecting shafts are arranged between the inner sides of the adjusting plates, a buffer plate body is arranged on the first connecting shafts, arc-shaped sliding grooves which are symmetrically distributed are formed in the inner sides of the adjusting plates, the two ends of second connecting shafts are connected with the bottoms of the arc-shaped sliding grooves through springs, the two ends of a discharging plate are movably connected with the inner sides of the adjusting plates through third connecting shafts, the outer sides of the adjusting plates are provided with first material blocking rods, the outer sides of the first material blocking rods are provided with second material blocking rods, and the height of the part, located on one sides of the second material blocking rods, of the buffer plate body is larger than the height of the part, located on one sides of the second connecting shafts, of the buffer plate body.