When the body becomes lazy and does not want to exercise, the whole person also seems to have no spirit, also affect the appetite, you need to pay special attention to the following reasons. First of all, the weakness of the limbs is likely to be a deficiency of Qi, caused by the two deficiencies of Qi and blood, this situation may be the usual work too tired, did not get enough rest, or long-term work in front of the computer, too much radiation, resulting in low blood pressure, the symptoms of weakness of the limbs. In addition, limb weakness is usually more likely to appear in the elderly, because as the elderly age, the blood vessels in the body will gradually harden, resulting in thinning of the blood vessels, reducing the ability to transport blood, so that the blood supply to the brain is not enough, and thus limb weakness. At the same time, pregnant women are also prone to weakness of the limbs. During pregnancy, chorionic gonadotropin is secreted abnormally, leading to a variety of physical discomforts, including weakness of the limbs. In conclusion, it is not necessary to be too nervous about the weakness of the limbs, but do not ignore it. You should actively look for the causes of the weakness of the limbs and correct them, and under the judgment of a professional doctor, carry out the appropriate treatment according to the doctor’s guidance.