1, acute anxiety disorder: also called panic disorder, the main feature is the sudden onset of unpredictable, recurring, intense panic experience, usually lasts 5-20 minutes, with a sense of near death or a sense of loss of control, the patient often experience the fear of the end of the disastrous end of the fear and dread, when the patient will usually have a more serious inability to breathe, dying, the whole body is not in control of the feeling. During the attack, the patient may run around, shouting, terrified, but also with severe autonomic dysfunction, such as chest pain, irregular heart rate, dyspnea, headache, dizziness, profuse sweating, abdominal pain, generalized trembling or generalized weakness and inability to stand, etc.;

2. Chronic Anxiety: also known as Generalized Anxiety, it is a more common manifestation of anxiety disorders. The patient usually manifests as unexplained prolonged feeling of nervousness, fear, uneasiness, impatience in doing things, panic in case of things, six, sitting and lying down, and so on. The symptoms of autonomic dysfunction are also often present, such as palpitations, chest tightness, shortness of breath, dry mouth, diarrhea, urinary frequency and urgency, constipation, skin flushing or pallor, and even some male patients will also appear impotence, premature ejaculation and other symptoms, while some women will appear menstrual disorders, endocrine disorders and other symptoms.