Principles: 1, as far as possible without surgical treatment, surgery is the last resort, often ask yourself not to surgery can be. 2, must think about the risks of surgery, which is the same as riding in a car, each of us have ridden in a car, but encountered very few car accidents, but take a look at the television, newspapers, every year the country died in tens of thousands of people in car accidents, think about it. 3, before the surgery must understand the risks and complications of surgery, think about what to do if it happens to you and then go to surgery. 4, more consultation before surgery, see more hospitals, more listen to the advice of a few doctors may be better for you.