Pins and needles pain in the heart after open heart valve replacement in January may be caused by poor recovery, insufficient blood supply to the heart muscle and cardiac neurosis. 1. Poor recovery: after open heart valve replacement surgery, due to a certain process of adaptation to the valve, or when the patient’s sternal incision heals poorly, intraoperative damage to the intercostal nerves, the body is not fully recovered, the phenomenon of pinprick pain in the heart after one month of surgery will occur. 2. Insufficient blood supply to the heart muscle: after the surgery, insufficient blood supply to the heart muscle may occur during the recovery process, which may lead to the phenomenon of pinprick pain in the heart area. 3. Cardiac neurosis: cardiac neurosis may be triggered when patients are overworked or emotionally agitated after surgery. This disease may cause the patient to have a pins and needles pain in the heart area, accompanied by palpitations, anxiety or excessive sweating and other symptoms, but there is no organic lesion. When a patient develops pins and needles pain in the heart after open heart valve replacement in January, it is recommended to go to the hospital in time to receive professional diagnosis and treatment from the doctor.