When the hands numb mouth numbness when angry, mainly because at this time the blood pressure will rise, heart rate accelerates, resulting in the peripheral circulation of blood in the limbs and other places is insufficient, resulting in the limbs and face and other peripheral parts produce numbness, especially prone to occur in the elderly, because the elderly vascular elasticity is poor, angry when the blood flow is reduced, may lead to brain hypoxia, hand numb mouth numbness symptoms. In addition, when people in angry breathing frequency and deep will produce changes, breathing rate will accelerate, the occurrence of lung hyperventilation, exhale too much carbon dioxide, causing the body to produce strong acid strong alkali accumulation too much, metabolic imbalance triggered by respiratory alkalosis, alkalosis after the main performance of the hands and feet is a needle-like pain, around the mouth will also appear to be a needle-like pain symptoms, if this symptom, it is recommended that timely If this symptom occurs, it is recommended that you get medical attention and control your emotions to maintain a calm mood.