NOVELTY - A biogas generation system comprises biogas slurry container (1), constant-temperature magnetic stirrer (2), collecting container (3), and booster pump (6) in which biogas slurry container is set on constant-temperature magnetic stirrer, biogas slurry container contains 1st opening and 1st sealing member (4), constant-temperature magnetic stirrer contains 2nd opening and 2nd sealing member (5) for separating collecting container cavity into upper cavity and lower cavity, and lower cavity is filled with water.    USE - A biogas generation system (claimed).    ADVANTAGE - Biogas generation system is convenient, has high gas production efficiency, and small floor space, and biogas collecting bag is low-cost and easy to manufacture and carry and has good sealing performance.    DETAILED DESCRIPTION - A biogas generation system comprises biogas slurry container (1), constant-temperature magnetic stirrer (2), collecting container (3), and booster pump (6) in which biogas slurry container is set on constant-temperature magnetic stirrer, biogas slurry container contains 1st opening and 1st sealing member (4), constant-temperature magnetic stirrer contains 2nd opening and 2nd sealing member (5) for separating collecting container cavity into upper cavity and lower cavity, lower cavity is filled with water, inlet of booster pump is connected by 1st connecting tube (7) to biogas slurry container, outlet of booster pump is connected by 2nd connecting tube (8) to lower cavity, 2nd sealing member contains through-hole, through-hole contains air outlet valve (9), other end of outlet valve is connected to storage device, storage device comprises base (12) and set of gas bags (13) with gas cavity, base is fixed to vertical upright post (14), gas bags have mounting hole, gas cavity is connected to air pipe (15), upright post contains pressure holding mechanism, pipeline structure between set of air pipes connect gas cavities of gas bags in series, pipeline structure comprises set of connecting valves (16) and main pipe (17), end of main pipe contains connecting hole, connecting hole is connected by 3rd connecting tube (18) to air outlet valve, and pressure holding mechanism comprises nut (22) and pressing plate (20).    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of biogas generation system.    Biogas slurry container (1)    Constant-temperature magnetic stirrer (2)    Collecting container (3)    1st sealing member (4)    2nd sealing member (5)    Booster pump (6)    1st connecting tube (7)    2nd connecting tube (8)    Air outlet valve (9)    Base (12)    Gas bag (13)    Upright post (14)    Air pipe (15)    Connecting valve (16)    Main pipe (17)    3rd connecting tube (18)    Pressing plate (20)    Nut (22)