Generally speaking, massage and tui na can improve muscle tension, promote muscle metabolism and improve local blood circulation, as to how often to do is different from person to person. Generally speaking once a week is fine, but it depends on what the purpose is, if you need to achieve therapeutic purposes, you probably need once a day or once every two days. The back is more important to us, because humans are walking upright, there will be compensatory lumbar bend, chest bend and neck bend, the muscles have to adapt to the changes in upright walking, long standing or prolonged bending activities will cause pain in the back, so through appropriate massage, massage is more beneficial.