Usually there is no difference between castration and sterilization of male cats. Male cat castration means male cat sterilization, and castration means going to a pet hospital for surgery to remove the male cat's reproductive organs. Compared with this method, castration is the simplest, so the castrated male cats will be more docile, people can manage them better, and they will no longer worry about too many cats and the environment will be affected.
The difference between male cat castration and sterilization: Generally speaking, male cat castration is sterilization, thus avoiding male cat contact with the outside world, removing male cat's reproductive organs and making male cats more docile.