If female dogs are not sterilized, they are prone to pyometra, breast tumors, ovarian cysts, pseudopregnancy and other diseases. If male dogs are not sterilized, they are prone to prostate enlargement, testicular tumors and other diseases. Neutering has certain benefits for the physical health of dogs. It can not only prevent some diseases, but also extend the life of dogs. However, sterilization also has certain risks, so before the operation, a check-up is required to confirm the dog's health before allowing the dog to be sterilized.