Dogs that are not neutered are prone to uterine disease or prostate disease, and the life span of dogs that have given birth is shorter than that of dogs that have not given birth. Male dogs are prone to urinating in estrus. Or lost, so it is best to spay or neuter the dog. If a dog is to be neutered, it is most necessary to check the dog's body first to confirm that the dog is healthy and not allergic to anesthetics to avoid accidents during the operation.