But first of all, plastic surgeons are mostly western doctors, and they need all kinds of tools and drugs to improve a person's plastic surgery and ensure the normal development of his subsequent face. If they travel to ancient times, tools and drugs are a big problem first. This problem cannot be solved, and the plastic surgery technology they have is also difficult to implement.
However, it cannot be completely denied that the necessary tools can be made according to ancient technology, and drugs can also be found. Hard conditions are not as precise as today's technology, so they don't care too much, so they may also have the ability to shape prisoners. Of course, after overcoming the problem of technical ability, in ancient cognition, they are very likely to be regarded as masters of easy appearance.
After all, the medical aspects of ancient people were not as developed as they are now, and many things were unimaginable and incomprehensible. The ancients believed that if a person changed his appearance, the first thing that came to mind was easy appearance, which was not the same as plastic surgery. Yi Rong was disguised by foreign objects, but his appearance did not change; Plastic surgery changes a person's appearance from the inside out, which is an irreversible process.
Of course, there are also some sayings about bone cutting and plastic surgery, which are in novels, but I think it is very difficult to realize in ancient times. After all, without good medical conditions, it is difficult to achieve the degree of bone cutting. Therefore, when they make a makeover for prisoners, they must be regarded as experts in makeover for the first time. Since it is for the sake of the prisoner's transformation, of course, it is to help the prisoner escape, so he will definitely be arrested after being discovered.