If the swelling of the feet occurs in the afternoon, after resting at night, the swelling of the feet can be found to disappear the next morning, if this is the case, it is considered to be due to lower limb venous valve insufficiency, you can perform ultrasound of the lower limb blood vessels to make it clear. In this case, it is generally recommended that patients wear compression stockings, or sleep at night to elevate the lower limbs, a common method is to put a pillow under the feet, elevate the feet, promote venous return, reduce foot edema, and do not be sedentary during the daytime, you can appropriate activities.