Discloses a men's fitness apparatus capable of improving the exercise effect by automatically regulating the reduced pressure state in the tube and also providing a protective film in the tube to prevent adverse effects due to unreasonable operation. A male fitness instrument of the present invention includes an upper tube having one end closed and a plurality of tubes connected to the upper tube continuously; A tube exhaust port provided at the one end to perform exhaust for decompressing the inside of the tube; A safety pin installed at the one end to introduce outside air into the tube to relieve the reduced pressure state in the tube; A hose whose one end is connected to the tube exhaust port; And a syringe connected to the other end of the hose to reduce the pressure in the tube in accordance with the contraction and expansion, wherein the upper tube and the multi-stage tubes are coupled to each other so as to be screwed to each other, And tightening the tightening bolts tightly to tighten the bolts to enhance the tightening force; A protective film which is reciprocally movable in the lengthwise direction of the tube by the contact of the inserted male and female parts, and a safety pin operating rod interlocked with the protective film to operate the safety pin is provided inside the upper tube; And the syringe is provided with shrinkage adjusting means capable of automatically adjusting shrinkage. According to the present invention, there is provided a men's fitness apparatus that is easy to use, does not cause an excessive impact upon training, and has increased durability.
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