There are many causes of panic, and many people feel weak at the same time. It may also be caused by the weather and a cold. If there is fever and panic and weakness, it is mostly due to viral cold and panic caused by hypoglycemia, which often does not have fever, and panic can be transient and persistent. If the patient is under excessive anxiety for a long time, he will also have panic, it is necessary to do electrocardiogram examination, usually the mood should be relaxed, not excessive anxiety, see if there is any heart condition, the heartbeat is accelerated or too slow, the heart rate is uneven, suggesting that there is a relationship with the excessive activity of the heart.