For cardiac nerve disorders, there are usually many causes, as follows: 1. Because of plant nerve dysfunction, patients can develop plant nerve dysfunction and cause cardiac nerve disorders after prolonged mental tension, excessive psychological stress, excessive work pressure, or after being angry or mentally stimulated. 2. Patients can also develop cardiac nerve disorders if there is an imbalance between sympathetic and vagus nerves, such as when the neuro- If the patient suffers from external factors, such as brain infection, tumor trauma, brain hemorrhage, stroke, etc., these organic diseases can affect the normal structure and function of the brain, thus triggering neurological disorders and causing cardiac neurological disorders.