Clothes are the external expression of a person's image, so they appear in dreams and are related to them. But the reference in the dream is generally more specific, because I don't know much about you, so I can only talk in general terms: the practical significance of your dream is likely to show that you are dissatisfied with your current realization or situation and want to change, but due to various restrictions and choices, you are in a dilemma, and you want someone to give you advice ... grandma in your dream. "Change clothes" means you want to change; Grandma helps you put on your shoes, which means you want the support of your relatives. Shoes are related to the road people choose, so they are equivalent to "grandma, help me choose a road and let me go!" " " .
Of course, it may not be obvious what kind of choice you are facing, but combing your current thoughts and emotions, you will find that what you need most now?