NOVELTY - A solar automatic oxygenation system comprises a solar photovoltaic component, a storage battery, a control device, an oxygenation device, and an oxygen content testing device; where the solar photovoltaic component is connected with the storage battery; the storage battery, the oxygenation device, and the oxygen content testing device are connected with the control device; the control device comprises a single chip; and the single chip controls the storage battery and oxygenation device to turn on or turn off according to the oxygen content data measured by the oxygen content testing device.    USE - The solar automatic oxygenation system is useful for industrial and commercial applications.    ADVANTAGE - The solar automatic oxygenation system generates electricity by using reproducible resource; where it is energy-saving and environment-friendly. Moreover, it has low energy consumption, it saves labor force and labor cost, and it controls the oxygen content of environment in time.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is a control method for the solar automatic oxygenation system comprising setting the initial value and initialization state for the single chip, letting the single chip analyze the data of the digital signal transmitted by the analog-digital converter, comparing it with the initialization state value; where when the data of the digital signal is greater than the initialization state value, the single chip transmits the turnoff control signal of the photovoltaic coupler, and the switch between the storage battery and the oxygenation device turns off; after delaying by a couple of seconds, retesting at the initialization state; where when the data of the digital signal is less than the initialization state value, the single chip transmits the turn-on control signal to the photovoltaic coupler, and the switch between the storage battery and the oxygenation device turns on; and after delaying by a couple of seconds, retesting the initialization state at the initialization state.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the solar automatic oxygenation system.