The present application provides an orthopedic posture supporting and adjusting device and method. The device comprises a base, wherein a plurality of base plates are disposed above the base, a plurality of support plates arranged in sequence are disposed on the base plates respectively, the support plates are respectively mounted on the corresponding base plates through corresponding adjusting rods, the adjusting rods adjust the distances and angles between the support plates and the corresponding base plates, one sides of the adjusting plates away from the base plates form a bearing surface together, and the bearing surface is used to fit a human body and support a human posture for adjustment. The existing three-section operating table is changed to a three-section operating table that can be changed in shape, which can fit a patient's body, relieves discomfort, and can also provide effective support for the patient's body, thereby facilitating a surgeon's operation； and pressure measuring modules added can display the force of a part of the patient in real time, so as to adjust the support force of the suspended part of the patient； and the bed can also be raised, lowered and tilted to provide operating environments of different heights.
