Do more hip exercises, that is, tighten hip muscles. You can tighten your muscles when you take the bus. In addition, you can lie on your back, bend your legs, separate your knees, point your feet at each other, press your hands from your knees to the root of your thighs, and then go from bottom to top after reaching the root of your legs. Inhale regularly and exhale when your hands return to your knees. Do it five times. Relax on time, pay attention to experience the action, just follow the action. You can also use some personal protective equipment, and charm purple can be used.