To provide a suction nozzle used for removing air inside a small-sized pet bottle by using an electric vacuum cleaner for a household.

A lower part suction hole 3 is provided on the bottom part center part of a bottomed cylindrical lower part suction cylinder 1, an intermediate suction cylinder 5 in an upward gentle and narrow tapered shape is successively provided on the upper part of the lower part suction cylinder 1 and further, an upper part suction cylinder 6 in the upward gentle and narrow tapered shape is successively provided on the upper part of the intermediate suction cylinder 5 respectively stepwise. A partition wall 7 is provided on a part slightly lower than an opening part at the upper part of the upper part suction cylinder 6 and an upper part suction hole 8 is provided on the center part of the partition wall 7.