Always panic and nervousness, consider the possibility of multiple causes, the most common disease is arrhythmia, which can occur in a physiological state. Patients who are usually in poor psychological state can experience panic and nervousness when they are nervous, anxious, exercising, staying up late, and drinking strong tea, coffee, alcohol, etc. The symptoms can be relieved after avoiding the related triggers. If necessary, short-acting beta-blockers, such as metoprolol, can be given for symptomatic treatment, and auxiliary measures such as oxygen can be given. Various types of organic heart disease can cause panic and nervousness. For endocrine disorders, such as hyperthyroidism, can cause nervousness. In addition, blood system diseases, such as anemia, and infectious diseases, such as fever, can cause tachycardia and cause panic and nervousness. For functional disorders, such as patients with cardiac neurosis, a state of panic and nervousness can also occur.