Hand shaking leg shaking heartbeat fast sweating may be hypoglycemia, may also be hyperthyroidism, or physiological problems. 1.low blood sugar: low blood sugar will appear hands shaking legs shaking heartbeat fast sweating, if you have a blood glucose instrument at home, you can immediately test the fingertip blood glucose level, normal blood glucose is less than 2.9mmol / L, diabetic patients with blood glucose is less than 3.9mmol / L is defined as hypoglycemia; such as the home of no blood glucose meter, you can drink sugar water or take sugar cubes, to observe the symptoms of whether to alleviate, and at the same time, immediately consult a doctor. 2. Hyperthyroidism: hyperthyroidism, due to elevated levels of thyroid hormones, the body’s metabolic rate increases, there will be shaking hands and legs, heartbeat fast sweating, thyroid function, thyroid ultrasound and other tests can assist in a clear diagnosis. 3. Physiological problems: mental overstress, emotional excitement or excessive anxiety can also occur in the case of shaking hands and legs, heartbeat fast sweating, need to carry out their own regulation, relax their mental state, if necessary, can demand professional medical help. There are many causes of shaking hands and legs, heartbeat fast sweating, if after their own mediation and relaxation or after eating does not relieve or continue to worsen, it is recommended that the hospital as soon as possible to avoid delays in the condition of the hospital.