There are many movies about dogs that can be referred to as the following popular types: 1. Dog movies: These movies usually tell the story between dogs and humans, including the classic "Loyal Dog Hachi" and "Guide Dog Little Q". 2. Pet movies: These movies tell the story between humans and pets, usually covering topics such as friendship, loyalty, betrayal, and love, such as "The Big Secret of Pet Love" and "Ten Pacts between Dogs and Me". 3. Dog adventure movies: These movies tell the story of dogs 'adventures. They usually have exciting storylines and thrilling scenes such as "Dog Story" and "Raging Puppy". There are also some documentaries about dogs. These films record the life and health of dogs, as well as the life and role of dogs in different cultures, such as "Dog's Heart" and "Dog's World". The above are just some recommendations. The recommendations for specific movies still need to be decided according to personal preferences and needs.