When people are nervous there are the following manifestations: 1, it is easy to cause the symptoms and performance of plant nerve dysfunction, such as panic, hand trembling, palpitations or sweating, blushing, shortness of breath, chest tightness, breath-holding, etc., and in serious cases there will be body tremors, such as head shaking, hand shaking, foot shaking, etc., there will also be the phenomenon of unstable walking; 2, the muscles will also appear nervous problems, the neck, back muscles will Stiffness, discomfort and other symptoms and performance; 3, will also cause upper abdominal discomfort, uncomfortable all over; 4, serious tension will even appear near-death feeling, that is, as if afraid to die, feel like dying, these near-death feeling may appear relatively short, generally a few minutes will disappear, but there are patients because of near-death feeling will be abnormal fear, and even need to call 120 rescue.