is there some books aboutpostureplease recommend somethank you very much

Yes, here are some books about posture:

1. "The Posture Pain Fix: How to Fix Your Back, Neck and Other Postural Problems That Cause Pain in Your Body" by Rosi Sexton
2. "The Posture Prescription: The Doctor's Rx for Eliminating Back, Muscle, and Joint Pain, Achieving Optimum Strength and Mobility, and Improving Overall Well-Being" by Dr. Naipo
3. "The Art of Sitting: A Guide to Healthy Sitting Posture" by Sarah Key
4. "The Alexander Technique: A Skill for Life" by Pedro de Alcantara
5. "Posture Makeover: The Secret to Looking Great, Feeling Confident and Living Pain-Free" by Caroline Jordan

Hope this helps!