Depending on the situation, body loss can be seen in fatigue and weakness, pale and colorless face, heart-heat (heat in the heart of the hands and feet, and conscious heart and chest heat), night sweating (abnormal sweating after going to sleep, and waking up to stop sweating), self-sweating (involuntary sweating during the daytime, and sweating is aggravated with the slightest movement), and fear of cold, cold and fear of cold, and other symptoms of qi, blood, yin, yang and other deficiencies. Over-exertion, chronic illness and exhaustion, old age and physical weakness can make the body energy consumption injury and loss, common deficiency of qi, blood, yin and yang of the different. Such as gas deficiency people see mental tiredness, fatigue, shortness of breath and other symptoms; blood deficiency people see pale lips, pale face, etc.; yin deficiency people can see the hands and feet heart fever, such as five hot, night sweats, etc.; yang deficiency people see the fear of cold, cold, self-sweating and other symptoms. In addition to the common symptoms of deficiency of qi, blood, yin and yang alone, there are many kinds of deficiencies, such as qi and blood deficiency, qi and yin deficiency (qi and yin deficiency), etc., and the symptoms will be mixed, and can be comprehensively analyzed and judged.