Panic may be caused by mental factors, heart disease, or autonomic dysfunction or hyperthyroidism. 1. Mental factors: the old man may be more nervous, easy to panic when things go wrong, or may be worried about something and feel panicky. 2. Heart disease: If you suffer from heart disease, it will easily lead to arrhythmia, the number of heartbeats and heartbeat rhythm will change significantly, and the patient will often feel panic, palpitations and other symptoms. 3. Autonomic dysfunction: mostly refers to vegetative nerve dysfunction, which may be caused by emotional problems and sleep problems, etc. Some respiratory and cardiac manifestations may occur, such as panic, dyspnea and so on. 4. Hyperthyroidism: It is mainly caused by excessive secretion of thyroid hormone level in the body, which leads to enhanced metabolism of the body, thus causing the symptoms. Panic may also be caused by other diseases, it is recommended to go to the hospital in time to find out the cause of the targeted treatment.