The invention discloses a posture-control learning machine device and a method for studying and behavior guiding by applying the same. The device comprises a battery, a processor module, as well as an information code input module, a button, a microphone, a clock, a loudspeaker, a USB interface, a display screen and a memory module, which can realize system coordination work under the control of the microprocessor module, wherein the memory module preserves a study information unit and a record data unit; the device is characterized by further comprising a wearing device, a wearing identifying module and a posture detecting module; the memory module further preserves a posture mode unit, a behavior mode unit, a behavior guide voice unit, a behavior time axis unit, a behavior management mode unit and a memory process management unit. The device and the method can record the children activity and behavior habit, guide the children to carry out behavior adjustment, guide the children to review the study information according to the behavior process, and facilitate the child strengthening the memory of the learnt knowledge involuntarily and cultivating sound living habit progressively and effectively.