Yes, as long as you insist. Standing for 30 minutes every day is promising; It is necessary to tighten the muscles of the thighs and calves to clamp the buttocks, hold out the chest, let the hands droop naturally, and make the head, shoulders, buttocks, calves and heels stick to the wall in a straight line; Not only is the leg line perfect, but the whole person will have a good temperament and body shape after long-term practice.