There is a difference between Yang Qi deficiency and Yang Qi blockage in terms of etiology, symptoms and treatment methods and prescriptions. Yang qi insufficiency is due to coldness in the body and insufficient generation of yang qi, which is characterized by mental depression and fear of cold, and can be treated with oral medication of Pian Zi Lizhong Pill; Yang qi impassability is due to the lack of smoothness of the body’s qi, which leads to the inability of yang qi to nourish the limbs, and can be treated with oral medication of Si-Rei San. 1. Etiology: Yang Qi insufficiency is due to insufficient generation of Yang Qi in the body caused by deficiency of the patient’s physique, which commonly includes spleen Yang insufficiency, kidney Yang insufficiency (lack of Yang Qi in the kidneys), etc.; Yang Qi impassability is due to the patient’s liver and spleen being out of balance, resulting in poor Qi in the body, which blocks Yang Qi and prevents it from being conveyed to the limbs. 2. Symptoms: Yang Qi insufficiency is characterized by depression, fear of cold, cold pain in the abdomen, preference for warmth and pressure, and preference for hot beverages; Yang Qi impassability is mainly characterized by cold extremities, accompanied by gastric distension, tiredness and fatigue. 3. Treatment: For patients with insufficient yang qi, it is necessary to warm yang qi, and oral treatment with Radix Rehmanniae Pill or Right Angelica Pill; for patients with impassable yang qi, it is necessary to oral treatment with Four Reversals to regulate qi, and soothing and regulating the liver and spleen. For patients with insufficient yang qi and impassable yang qi, it is recommended to consult a regular hospital and use medication under the guidance of the doctor’s diagnosis and treatment, do not take medication on your own to delay your condition.