NOVELTY - A domestic garbage biological compost device comprises an upper box body divided into self-control room and turning room; a lower box body divided into air chamber and biological compost chamber; a blower connected with an air pipe; a first electric adjusting valve connected with one end of air pipe; dehumidifier connected to first valve via pipeline; a heater connected with dehumidifier via pipeline; a flow meter connected to one end of heater; and a first temperature and humidity sensor and a pressure sensor which are connected to other end of heater to biological compost chamber.    USE - Domestic garbage biological compost device.    ADVANTAGE - The biological compost device does not depend on weather conditions, involves short reaction period with less amount of generated leachate, has good biological stability, low energy consumption and cost and less environmental pollution, and can online adjust technique parameter and real-time monitor the composting process which is safe and reliable.    DETAILED DESCRIPTION - A domestic garbage biological compost device comprises an upper box body divided into self-control room and turning room; a lower box body divided into air chamber and biological compost chamber; a blower connected with an air pipe; a first electric adjusting valve connected with one end of air pipe; dehumidifier connected to first valve via pipeline; a heater connected with dehumidifier via pipeline; a flow meter connected to one end of heater; and a first temperature and humidity sensor and a pressure sensor which are connected to other end of heater to biological compost chamber. An exhaust pipeline of the air chamber is connected with a second temperature and humidity sensor, a second flow meter and a second electric adjusting valve. The second electric adjusting valve is connected with an exhaust fan via a duct tube and a control cable. The turning room is provided with two-dimensional running mechanism in which stack turning machine moves in transverse and longitudinal direction. An INDEPENDENT CLAIM is included for garbage biological compost method, comprising:    (A) making a box buckle assembly together to provide a sealed space for biological pretreatment of municipal refuse compost, providing box body with feeding and discharging functions, providing inner part with ventilation wet-removing heat, turning and monitoring deodorization system;    (B) online adjusting gas flow rate and frequency parameter for intake and exhaust air, dehumidifying and heating intake air, setting a monitoring instrument on a pipeline for real-time monitoring air temperature, humidity, and pressure;    (C) collecting and processing odor generated by compost;    (D) setting and adjusting turning frequency through a configuration interface on a programmable logic controller industrial machine, and accelerating fermentation of material;    (E) periodically collecting temperature and water content data of materials with different levels and different depths, and periodically monitoring percolate production and composition; and    (F) using automatic control and manual control of configuration control of compost device.