Numbness in the hands and feet after childbirth may be a result of hyperventilation syndrome, which is a common functional clinical disease. Patients mainly suffer from excessive mental fatigue and tension, and severe pain during childbirth, causing them to easily feel tightness in the chest and breathe heavily, expelling too much carbon dioxide from the body, causing a decrease in the level of carbon dioxide in the blood as well as in the brain, causing abnormalities in the receptors of nerve cells and making them prone to Numbness in the extremities and around the mouth. In this case, you can use a paper cup or white paper rolled into a tube to cover the pregnant woman’s mouth and nose, so that the exhaled carbon dioxide will be sucked back into the body again, and the symptoms of numbness can be relieved in about 5-10 minutes. At the same time, it is important to comfort the mother to avoid excessive anxiety and excitement.