[header] How to teach your dog not to get into garbage cans [title] Prevent your dog's access to the garbage can. [step] There are many ways that you can keep your dog from getting to the garbage can. For example, you can keep the kitchen garbage can in a closed cupboard. 
However, if your dog has figured out a way to open cupboards, you may need to put childproof latches on the handles. [substeps] In other rooms of the house, you could try putting small wastebaskets at a height where your dog could not reach them, such as the top of a dresser.