The invention discloses a sitting posture anti-pressure sore nursing device for cardiology patients, which includes a base, a fixed plate, a top bolt, a support pad, a miniature vibrating plate, a back plate, a moving plate, a fixed bolt, a head strap, a first motor, and a second motor. A rotating shaft, a lower limb support plate, an upper limb support mechanism, a lifting mechanism, a limit mechanism, and a battery. The sitting posture anti-pressure sore nursing device for cardiology patients can lift and support the patient's upper limbs through the use of the lifting mechanism first. Reduce the pressure on the patient's buttocks, and then use the micro vibration plate and support pad to improve the blood supply of the patient's buttocks, prevent the occurrence of pressure sores, thereby improving the patient's comfort, and then use the limit mechanism to straighten the patient's head Maintain, so that the patient can maintain a stable sitting posture for a long time to avoid the aggravation of heart failure.