Panic, trembling hands and weak legs can be seen in patients with hypoglycemia, hyperthyroidism and atrial fibrillation, and need to go to the hospital in time. Panic, trembling legs and weakness are common symptoms of hypoglycemia, due to a serious reduction in blood glucose levels, which can lead to panic and trembling hands, which can be accompanied by sweating, and lack of energy can lead to weakness and weakness of the legs, and the treatment should be fast to replenish energy. Panic and trembling of the legs can also be seen in hyperthyroidism, elevated levels of thyroid hormones can lead to tachycardia, the patient can appear panicky and trembling of the performance of some patients can be accompanied by low potassium, leading to the patient to appear weak legs. In patients with atrial fibrillation, the heart loses its normal rhythm, which may cause symptoms such as palpitations, chest tightness, weakness, and in severe cases, fainting. When patients have related symptoms, they should go to the hospital in time for treatment after clarifying the cause of the disease.