If you have panic attacks and hand trembling after hunger, you need to rest as soon as possible, and at the same time give a quick meal, especially applying foods with relatively more sugar, these symptoms may be relieved soon after eating. Because these symptoms appear after hunger, the body appears some reactions of hypoglycemia, these reactions are caused by the sympathetic excitation of the body. Because hypoglycemia can stimulate the sympathetic nerve, causing sympathetic excitement after the panic, chest tightness, and involuntary trembling of the limbs. If the blood sugar is replenished as soon as possible so that the sugar gradually increases, then the sympathetic excitement symptoms will be relieved soon.