When you have a fever, correctly massaging the response area on the bottom of your feet is also very effective. When you have a fever, you can press the reflex zone of the urethra, in the medial side of the feet about halfway between the ankle and the heel, there will be a diagonally concave groove when massaging, the direction of the massage is pushed from the bladder reflex zone to the heel. The reflex zone of the bladder is located on the medial side of both feet about halfway between the ankle and the sole of the foot, when massaged there will be a meatball protruding sensation, and the direction of massage is to be pushed in the direction of the urethra obliquely from the ureteral junction point. Ureteral reflex zones are located on the soles of the feet, the bladder point position toward the kidneys about 45 degrees in the direction of the oblique direction, when massaging with the hands, there is a feeling of a slanting groove, the direction of massage is from the kidneys to the bladder joints diagonally pushed and pressed. The reflex zones of the kidneys are located on the soles of the feet about halfway up the soles of the feet, when touched with the hands, there is a bulge of meatballs, slightly hard or sandy feeling, when massaged from the lower oblique upward to the direction of the ureter, push and press.