Yes, self-publishing can lead to traditional publishing. Self-publishing is when an author publishes their own book, without the help of a traditional publisher. Traditional publishing is when a book is published by a publishing company. There are a few ways that self-publishing can lead to traditional publishing.
One way is if you self-publish a book and it does really well. This can attract the attention of traditional publishers, who may then approach you about publishing your book with them.
Another way is if you self-publish a book and then later decide that you want to try to get it published traditionally. In this case, you would submit your book to literary agents or publishing companies.
Self-publishing can be a good way to get your work out there and build an audience for your book. If you self-publish a book and it does well, it can lead to traditional publishing.