NOVELTY - A kind of methane tank installed with humidity sensor for monitoring change of humidity, comprises blade (1), wind power generator, wind power support (3), conductive wire (4), a controller (5), an inverter (6), current divider (7), a measuring circuit (8), a humidity sensor (9), a computer processor (10), emitting antenna (11), marsh material inlet and outlet, a methane tank, a methane storage room, surface, slag, receiving antenna, a computer processor, and display is set with a humidity sensor.    USE - As a methane tank installed with humidity sensor for monitoring change of humidity (claimed).    ADVANTAGE - The humidity sensor improves yield of marsh gas and improves quality of methane.    DETAILED DESCRIPTION - A kind of methane tank installed with humidity sensor for monitoring change of humidity, comprises blade (1), wind power generator, wind power support (3), conductive wire (4), a controller (5), an inverter (6), current divider (7), a measuring circuit (8), a humidity sensor (9), a computer processor (10), emitting antenna (11), marsh material inlet and outlet, a methane tank, a methane storage room, surface, slag, receiving antenna, a computer processor, display is set with a humidity sensor in the humidity change in the pool of the marsh gas tank is mounted with blades is set above the marsh gas tank, wind power generator, a wind power support, a conductive wire, the controller, inverter, current divider, measuring circuit, computer processor, emitting antenna, marsh material inlet and outlet, biogas residue is set on the bottom of the marsh gas tank, the marsh liquid is above the biogas residue the upper part of the biogas slurry in the marsh gas storage room, between the reservoir bag of marsh gas in the step is set with a conductive line, a humidity sensor and a measuring circuit, where the marsh gas tank is provided with a display, a computer processor and a receiving antenna, wind power generator through the conductive wire is connected with the controller, the controller through the conductive wire connected with the inverter, an inverter is connected through the conductive wire and the current divider, current divider through the conductive wire with the humidity sensor, where the humidity sensor by measuring circuit is connected with the computer processor, emitting antenna is set with the computer processor, through internal conducting wire and computer processor , receiving antenna is set with the computer processor.    DESCRIPTION OF DRAWING(S) - The figure shows view of methane tank installed with humidity sensor.    Blade (1)    Wind power support (3)    Conductive wire (4)    Controller (5)    Inverter (6)