Coldness in the left upper body of a woman may be caused by yang deficiency, blood stasis and other factors, and need to consult a doctor in time. 1. The lack of yang qi in women leads to a decrease in the functions of yang qi, such as warming and promoting, and the body loses its warmth, which may lead to the performance of the left upper half of the body being cold, accompanied by coldness, fatigue, tiredness and other symptoms. 2. Female patients with stagnant blood stagnation in the meridians, resulting in poor qi and blood flow, may also appear in the left upper body cold, but also local tingling, purple tongue, petechiae, petechiae and other manifestations. All of the above factors may lead to the symptoms of coldness in the upper left half of the body in women, but the cause of the disease is not gender-specific, and similar symptoms may also occur in men with the above causes. If the symptom of coldness in the upper half of the body occurs, the patient should go to the hospital in time for relevant examinations and prompt treatment.