Cryptorchidism in dogs must be operated on, because cryptorchidism is prone to cancer and can also lead to disordered hormone secretion in dogs, resulting in hair loss all over the dog's body, thinning of the skin, and atrophy of the reproductive organs. In severe cases, it can also cause Dogs have anemia, poor blood coagulation, etc., so once a dog is found to have cryptorchidism, it needs to be sent to a pet hospital for surgical treatment in time to avoid affecting the dog's health.