The cost of 3D printed insoles is very high. Usually you need to go to a rehabilitation hospital for a comprehensive examination. The cost of this check-up is about 168 yuan. There is also the cost of customizing insoles. The cost of customizing insoles in Shanghai Fourth Rehabilitation Hospital is 68. And you can only match custom insoles according to your shoes. When you change a pair of shoes, the shape of the insole is different. You have to customize a new insole. Most people don't wear a pair of shoes all the time, and they don't wear them for too long, so the cost here is very high and inconvenient.