I'm not sure about Guangzhou, but the risk of this operation is not great, and the price is generally around 3000 to 5000. If you are now 16 years old, this operation should be fine, but I suggest you do it at the university. If it's cheaper to do internal contraction surgery, there is no risk. The recovery period is short, but the effect is not obvious. If it is external contraction surgery, the recovery period is usually three months or more, during which you can't get sunlight and heat. ...