It is not suitable to take a bath when the pup is two months old. You can wait until the puppy is three and a half months old and 10 days after all the vaccines have been injected. Also, pay attention to choosing noon, when the sunshine is sufficient and the temperature is high, so it is suitable for bathing. The water temperature must be controlled at around 45 degrees. To bathe a dog, you must use a special dog bath liquid, dilute it with water in the correct proportion and then use it.