The manifestations of anxiety panic attacks can have severe autonomic dysfunction symptoms in three main areas:1. cardiac symptoms, such as chest pain, tachycardia, and irregular heartbeat. 2. respiratory system, such as dyspnea, shortness of breath, and breath-holding. 3. neurological symptoms, such as headache, dizziness, syncope, and abnormalities of sensation. There may also be sweating, abdominal pain, general shaking or limpness, etc. Patients also experience painful experiences such as intense fear, near death and loss of control, in addition to having at least 3 episodes in a month. In addition, the patient may have at least three episodes in a month, or the patient may be in a state of chronic anxiety for more than a month after the episode, such as being worried, afraid, or afraid to be alone.