Red pimples on French Bulldogs may be skin diseases caused by parasites, fungi, and bacteria. It is best to take the dog to a pet hospital for examination to confirm the cause and then treat it. If it is caused by bacteria or fungi, you can use ointments or sprays to treat fungal bacteria on your dog. If it is caused by parasites, you need to deworm the dog externally and apply ointment. If the situation is serious, take your dog to the pet hospital in time. The hospital conducts examination and treatment.