The best way to stop a miniature schnauzer from biting is through positive reinforcement training, consistency, and patience. Here are a few steps you can take:


Start by teaching your dog basic commands such as "sit," "stay," and "leave it." This will give you more control over your dog's behavior and make it easier to redirect their attention when they start to bite.


Use positive reinforcement, such as treats or praise, to reward your dog when they do not bite or when they follow your commands. This will help them to associate good behavior with rewards.


Consistently redirect your dog's attention and behavior away from biting. For example, if they start to nip at your hands, redirect their attention to a toy or chew bone.


Be patient, as it may take some time for your dog to learn what you expect of them. Remember that biting is a natural behavior for dogs, so it will take time and patience to change it.


Consider working with a professional dog trainer or behaviorist to help you address your dog's biting behavior. They can offer guidance and support as you work to train your dog.