Whenever something happens, panic and shivering may be caused by cardiac neurosis, hyperthyroidism, anxiety and depression. 1. cardiac neurosis: when the external stimulus, under greater pressure or excessive anxiety and difficult to adapt, can lead to cardiac neurosis, typical symptoms are panic, breathlessness, chest pain, accompanied by insomnia, dreamy, sweating and other symptoms, the treatment of psychological treatment, assisted by clonazepam, doxepin and other medication. 2. Hyperthyroidism: In hyperthyroidism, patients are particularly prone to nervousness, emotional, panic, hand tremors, and even generalized trembling, as well as lethargy, fatigue, precordial discomfort and other symptoms, can be used methimazole, propylthiouracil and other drugs for treatment. 3. Anxiety and depression: patients tend to be more mentally stressed, introverted, long-term mood suppression, character quality is more fragile. Usually sometimes feel chest tightness, precordial discomfort, when encountering things, it is easy to be nervous, the whole body shivering. You can go to the psychological outpatient clinic for anxiety and depression scale test, and use fluoxetine, paroxetine and other drugs to treat if necessary. The above drugs should be used under the guidance of a doctor. Once something is nervous, panic and shivering patients are recommended to go to the hospital for consultation, after clarifying the cause of the disease, under the guidance of the doctor for reasonable use of drugs and standardized treatment.