The face will be numb after exercise, mostly due to facial nerve irritation, blood running faster, sweat stimulation, anemia and other reasons. 1. Facial nerve stimulation: If the facial nerve is stimulated or cooled during exercise, the face may be numb due to abnormal nerve sensation. 2. Vasodilatation: After strenuous exercise, the blood runs faster and the facial capillaries dilate, which may cause numbness in the face. 3. Accelerated blood flow: after exercise, there is usually a lot of sweating, and the skin is stimulated, so some people will have numbness. 4. Anemia or vitamin and other trace element deficiency: can be manifested as nerve dysfunction, after exercise can exacerbate the symptoms of nerve ischemia and hypoxia, and then manifested as face numbness. After exercise, the face will be numb, if a long time can not be relieved, need to actively consult the doctor, follow the doctor’s instructions for reasonable treatment.