The soles of the feet always feel cool air whoosh generally refers to the soles of the feet cold, may be due to lower extremity arteriosclerosis occlusive disease, hypothyroidism, environmental causes. 1. Lower limb arteriosclerosis: refers to the thickening of the inner membrane, narrowing or occlusion of the lumen of the arteries supplying blood to the lower limbs caused by arteriosclerosis. It can cause the phenomenon of insufficient blood supply to the lower limbs, which can lead to intermittent claudication of the lower limbs, cold soles of the feet, pain and other phenomena. 2. Hypothyroidism: It is a generalized low metabolic syndrome caused by hypothyroidism or thyroid hormone resistance mainly due to low immunity and congenital factors. Due to metabolic problems, patients may experience cold feet, weight gain and constipation as the disease progresses. 3. Environment: It may be caused by staying in a cold place for a long time, or not keeping the feet warm, etc., thus the skin on the soles of the feet may feel cold. It is recommended that patients with cold soles go to the hospital in time and follow the doctor’s instructions for treatment to avoid delaying the condition.