1. Adjust the seat height: the seat height should be adjusted to the extent that your feet can bend slightly when the pedal is at the lowest point, so as to avoid uncomfortable sitting, and always adjust the sitting posture.

2. Wear a suitable sweatshirt: It is best to wear a loose sweatshirt, because clothes that are too tight are easy to wear out or cause aches all over.

3. Pay attention to breathing: Pay attention to breathing when riding a bike, and don't hold your breath, so as not to cause dizziness, nausea and other discomfort.

4. Pay attention to the way of exertion: avoid exerting force on one foot, otherwise it will cause pain in the feet and calves. The correct way is to press down with the front of the sole, step on it with the heel when pressing down, and then lift it with the upper part of the sole.