Symptoms of yin and yang imbalance include: solid manifestations of heat when yang is in full bloom and cold when yin is in full bloom; deficiency manifestations of yang and yin deficiencies; and symptoms of death of yang and death of yin in severe cases. 1. Symptoms of heat in the presence of Yang include: fever, aversion to heat and cold, thirst for water, restlessness, yellow and thick phlegm and mucus, short yellow urine, and dry stools. Yin is cold manifestations: fear of cold and like warmth, cold pain, pale mouth, thirst, limbs curled up, phlegm, saliva, snot dilute, urine long and clear, loose stools. 2. Symptoms of yang deficiency: fear of cold, cold limbs, pale mouth, no thirst, like hot drinks, self-sweating (involuntary sweating during the day, sweating is aggravated by the slightest movement). Symptoms of yin deficiency: emaciation, dry mouth and throat, heat in the heart (heat in the heart of the hands and feet, and self-consciousness of heat in the heart and chest), hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), and so on. 3. Yin and yang imbalance in serious cases of death of yang evidence: cold sweat, sweat diluted, apathy, skin is not warm, cold hands and feet, breathing gas weak, pale. Dead yin evidence: sweat hot taste salty and sticky, the shape of beads like oil, body burning limbs hot, do not like the heat, thirst and want to drink water, skin shriveled, urine is very little, face and cheekbones red, shortness of breath, and so on. The appearance of yin and yang imbalance performance, need to be guided by a professional doctor to identify the evidence, take reasonable measures and prescriptions to regulate the treatment, to avoid the development of the condition of the wrong treatment.