Physical weakness is characterized by pale color, fatigue, lack of energy, lack of speech (lack of strength, do not want to talk), dizziness, palpitations (rapid heartbeat, often accompanied by panic), heartburn, loss of appetite, heartburn and heat (two hearts and two hearts of the feet are hot, and conscious of the heart and chest heat), fear of the cold and fear of the cold, and so on. Physical weakness from the point of view of traditional Chinese medicine, there can be a deficiency of qi, blood, yin and yang of different, the performance of the symptoms are also different. For example, if the deficiency of qi is dominant, it is mostly manifested as shortness of breath and weakness, less breath and lazy speech, etc.; if the deficiency of blood is dominant, it is mostly manifested as pale and colorless, and dizziness and dizziness. Yin deficiency is characterized by hot flashes (a burst of fever), night sweats (abnormal sweating after sleeping, sweating stops after waking up), and heartburn and heat, etc. Yang deficiency is characterized by chills and cold limbs. Physical weakness can be characterized by a wide range of symptoms, including loss of qi, blood, yin and yang alone or in combination, which need to be analyzed in conjunction with related symptoms, so consult a medical professional for specific advice.