used throughout the drawings and the following detailed description to refer to the same or like parts fig1 illustrates a schematic diagram of internal pressure shock absorbing device of bellows type shock absorbing device of the present invention in the figure an internal pressure shock absorbing device 100 comprises an outer pipe 11 an inner pipe 12 and at least one orifice 14 disposed on the surface of the outer pipe 11 for injecting fluids to a chamber 13 formed by the outer pipe 11 and the inner pipe 12 a first gap g 1 arranged to resist the device over compression is kept between a closed end 16 of the outer pipe 11 and a closed end 17 of the inner pipe 12 the outer pipe 11 comprises a bellows 15 fig2 to fig4 illustrate schematic diagram for embodiments of internal pressure shock absorbing device of the present invention for internal pressure shock absorbing device the injected fluid is inside the bellows 15 as follows fig2 illustrates a schematic diagram for a first embodiment of internal pressure shock absorbing device of bellows type shock absorbing device of the present invention in the figure an internal pressure shock absorbing device 200 is shown a first force bearing base r 1 is disposed on the closed end 16 of the outer pipe 11 opposite to the chamber 13 and the first force bearing base r 1 is connected to a first compressive tensile screw s 1 a second force bearing base r 2 is disposed on the closed end 17 of the inner pipe 12 opposite to the chamber 13 and the second force bearing base r 2 is connected to a second compressive tensile screw s 2 fig3 illustrates a schematic diagram for a second embodiment.