NOVELTY - A manufacturing device using arc methyl (H2C) compound universal fuel, comprises rectifying control device (2), an arc H2C compound universal fuel hydrogen manufacturing reactor (3), electrode control device for arc H2C compound universal fuel reactor condenser (4), a condenser (7), a dreg discharging device and filter device (8), all of which are equipped inside the casing (10).    USE - The manufacturing device is useful for preparing hydrogen (claimed).    ADVANTAGE - The device is simply-structured, and it manufactures hydrogen with low cost.    DETAILED DESCRIPTION - A manufacturing device using arc H2C compound universal fuel, comprises rectifying control device (2), an arc H2C compound universal fuel hydrogen manufacturing reactor (3), electrode control device for arc H2C compound universal fuel reactor condenser (4), a condenser (7), a dreg discharging device and filter device (8), all of which are equipped inside the casing (10); electric source (1) is connected to two electrodes (5 and 6) inside the arc H2C compound universal fuel hydrogen manufacturing reactor (3) via rectifying control device (2); one electrode (5) of arc H2C compound universal fuel reactor utilizes carbon electrode and the other electrode (6) utilizes tungsten electrode. The two electrodes (5 and 6) are connected with an electrode control device (4) that adjusts distance of discharging end of them; water inlet and water outlet of the arc H2C compound universal fuel hydrogen manufacturing reactor (3) are connected with water inlet tube and water discharging tube; gas outlet of arc H2C compound universal fuel hydrogen manufacturing reactor (3) is connected with gas inlet of the condenser (7); gas outlet of condenser (7) is connected to a low-pressure storing device (9) after being processed by the filter device (8); low-pressure storing device (9) is equipped with gas use opening for supplying gas outward; dreg discharging opening of arc H2C compound universal fuel hydrogen manufacturing reactor (3) is connected with dreg discharging device. An INDEPENDENT CLAIM is included for a process for manufacturing hydrogen by using arc H2C compound universal fuel.    DESCRIPTION OF DRAWING(S) - The drawing shows the top view of a manufacturing device for preparing hydrogen.    Electric source; (1)    Rectifying control device; (2)    Arc H2C compound universal fuel hydrogen manufacturing reactor; (3)    Electrode control device; and (4)    one electrode (5)