The cost of knee replacement includes the cost of routine surgery and the cost of knee prosthetic materials. The cost of joint replacement surgery is approximately$2,000 to$3,000. There are domestic and imported prosthesis materials, and there is a significant difference in price between the two. The cost of domestic prostheses is relatively low, generally costing between$20,000 and$50,000. Imported prostheses cost about$30,000-$60,000. In summary, the overall cost of a total knee surface replacement is approximately$30,000-$60,000. The current medical insurance policy for knee prosthesis reimbursement is capped at 20,000 yuan, beyond which you will have to bear the cost yourself, and up to 20,000 yuan can be reimbursed according to the normal medical insurance ratio.