According to scientists, pigs are really cute. In fact, pigs love cleanliness and have a high IQ. Many people abroad keep pigs as pets, but few people keep them at home, so they don't realize his cuteness. Pigs have a high IQ and are clean. They are not as stupid as we have many misunderstandings about pigs. Many literary works also describe pigs as stupid, dirty and stupid. It seems that only we eat our meals, pigskin can be made into leather, bristles can be made into brown brushes, and there are no other advantages.