Carry out criticism and education and tell you to wear a raincoat when riding a bike in rainy days. Ten-year-old children can criticize education if they don't wear raincoats when riding in rain, and they should wear raincoats when riding in rain in the future. Riding without a raincoat in rainy days, the body surface temperature rises after high-intensity riding, and getting wet in the rain is easy to cause cramps or colds. A raincoat can not only keep out the rain, but also protect your property, so it is necessary to wear a raincoat.