The utility model relates to a tunnel pressure steel pipe bottom concrete construction device, including pressure steel pipe, its characterized in that: still include pressure steel pipe stiffening ring, vertical structure reinforcing bar, hoop structure reinforcing bar, self -compaction concrete and the direction cage that vibrates, the pressure steel pipe stiffening ring is in pressure steel pipe's outside, and hoop structure reinforcing bar sets up in the self -compaction concrete in the outer loop of pressure steel pipe stiffening ring, vertical structure reinforcing bar axial, and hoop structure reinforcing bar is fixed with vertical structure reinforcement, and the setting of the direction of vibrating cage is in the self -compaction concrete, with the fixed pressure steel pipe stiffening ring that is close to of vertical structure welded steel, vibrate the direction cage connect to form by vertical round steel and hoop round steel. The utility model discloses be applied to the large -scale withstand voltage impact tunnel pressure steel pipe bottom concrete construction that receives, improved the plumpness of concrete placement efficiency and pressure steel pipe bottom at to a great extent.