Never think about hitting the dog. I once saw an expert say, "Any angry words and reproachful eyes you inadvertently make will do great harm to the dog's heart." More importantly, it is very important to use violence to go upstairs to subdue the dog's fault. Dogs have a poor memory for making mistakes. As for the trash can, I am embarrassed to ask if it is the trash can in the bathroom. I don't know if your dog often does that, because it's too naughty. My dog is very obedient, but if I don't come back at dinner time, they will definitely go to the trash can and be designated as the toilet, perhaps because of the dog's nature, in order to resist my late feeding. If the dog is naughty, it is recommended to put the trash can high. As for sneaking around and eating outside, you should try to watch it. When you find it, catch it in a picky place and tell it seriously not to eat, showing that you are angry with its behavior. After repeated several times, he knew that his master would be very unhappy.