Adding sitemap to your site jumps your site ranking. After creating your blog’s Sitemap, it has to be submitted to search engines like google, bing. I shall directly go to the adding sitemap to google assuming you have verified your blog to google webmaster. If you haven’t verified your website find How to verify your site to google and its benefit. If you are a WordPress user you can create your website sitemap through Yoast SEO plugin. Go to google webmaster by http://google.com/webmaster
your blog sitemaps looks like these-
Creating a sitemap is really helpful for your blog ranking. Search engines find it easy to crawl your blog pages and to index them. Many professional blogs add a sitemap to their blogs. You should also add a sitemap to your blog.
Does it require to submit to a search engine like Bing?
It is better to submit your blog sitemap to bing too as more than 10% of total searches are done on Bing. You can visit Bing webmaster tool and repeat the same steps.
If you are still not getting it comment below and I will help you.