The most common factor is cardiac insufficiency. In cases of coronary artery disease, hypoplastic heart, cardiac insufficiency, cardiomyopathy and pericarditis, there is an increase in peripheral filling and a lack of blood return to the heart, so after exercise, such as walking, there is a significant increase in hand swelling. 2, common diseases such as hypothyroidism, hypothyroidism patients will cause mucus edema because blood and water accumulate in the peripheral circulation and do not operate and circulate sufficiently, especially after walking or exercise mucus edema increases, which will also aggravate the situation of hand swelling.