A micro-gas pressure driving device (1,2), comprising: a miniature gas transportation module (1A, 2A) comprising a convergence plate (12, 22); a resonance membrane (13, 23); a piezoelectric actuator (14, 24), wherein at least one inlet is formed in a first surface of the convergence plate (12, 22), at least one convergence channel and a central opening are formed in a second surface of the convergence plate (12, 22), and the at least one convergence channel is in communication with the at least one inlet, wherein the resonance membrane (13, 23) has a central aperture corresponding to the central opening of the convergence plate (12, 22), wherein the convergence plate (12, 22), the resonance membrane (13, 23) and the piezoelectric actuator (14, 24) are stacked on each other sequentially; and a covering plate disposed over the convergence plate (12, 22) of the miniature gas transportation module (1A, 2A); characterized by a tube plate (11, 21) disposed under the piezoelectric actuator (14, 24) of the miniature gas transportation module (1A, 2A), and comprising an input tube (11a, 21a) and an output tube (11b, 21b); wherein after the covering plate, the miniature gas transportation module (1A, 2A) and the tube plate are (11, 21) are combined together, a first input chamber is located at a junction between the covering plate and the input tube (11a, 21a) of the tube plate (11, 21), a second input chamber is defined between the covering plate and the convergence plate (12, 22) of the miniature gas transportation module (1A, 2A), and an output chamber is defined between the tube plate (11, 21) and the piezoelectric actuator (14, 24) of the miniature gas transportation module (1A, 2A); wherein when the miniature gas transportation module (1A, 2A) is activated to feed a gas into the input tube(11a, 21a) of the tube plate (11,21), the gas is sequentially transferred through the first input chamber, the second input chamber, the at least one inlet of the convergence plate (12, 22), the at least one convergence channel of the convergence plate (12, 22), the central opening of the convergence plate (12, 22) and the central aperture of the resonance membrane (13, 23), and transferred downwardly through the piezoelectric actuator (14, 24) and the output chamber, and outputted from the output tube (11b, 21b) of the tube plate (11,21). a miniature gas transportation module (1A, 2A) comprising a convergence plate (12, 22); a resonance membrane (13, 23); a piezoelectric actuator (14, 24), wherein at least one inlet is formed in a first surface of the convergence plate (12, 22), at least one convergence channel and a central opening are formed in a second surface of the convergence plate (12, 22), and the at least one convergence channel is in communication with the at least one inlet, wherein the resonance membrane (13, 23) has a central aperture corresponding to the central opening of the convergence plate (12, 22), wherein the convergence plate (12, 22), the resonance membrane (13, 23) and the piezoelectric actuator (14, 24) are stacked on each other sequentially; and a covering plate disposed over the convergence plate (12, 22) of the miniature gas transportation module (1A, 2A); characterized by a tube plate (11, 21) disposed under the piezoelectric actuator (14, 24) of the miniature gas transportation module (1A, 2A), and comprising an input tube (11a, 21a) and an output tube (11b, 21b); wherein after the covering plate, the miniature gas transportation module (1A, 2A) and the tube plate are (11, 21) are combined together, a first input chamber is located at a junction between the covering plate and the input tube (11a, 21a) of the tube plate (11, 21), a second input chamber is defined between the covering plate and the convergence plate (12, 22) of the miniature gas transportation module (1A, 2A), and an output chamber is defined between the tube plate (11, 21) and the piezoelectric actuator (14, 24) of the miniature gas transportation module (1A, 2A); wherein when the miniature gas transportation module (1A, 2A) is activated to feed a gas into the input tube(11a, 21a) of the tube plate (11,21), the gas is sequentially transferred through the first input chamber, the second input chamber, the at least one inlet of the convergence plate (12, 22), the at least one convergence channel of the convergence plate (12, 22), the central opening of the convergence plate (12, 22) and the central aperture of the resonance membrane (13, 23), and transferred downwardly through the piezoelectric actuator (14, 24) and the output chamber, and outputted from the output tube (11b, 21b) of the tube plate (11,21).