A sitemap can be an efficient planning apparatus for website. It a planning metthod that can help to sort out and clarify the content that needs to be on your site. Free sitemap generators can create website sitemaps. Once formed, login to Google webmaster tools and submit the website sitemap to be indexed by Google.

may I know what are your triying to asking or only for suggestions.

For help on understand the various sitemap file types and when to use them, see:
http://www.microsystools.com/products/sitemap-generator/help/website-sitemap-kinds-comparison/

The purpose of a site map is to show both search engine spiders and your visitors where to find information on your site. A good site map Shows a quick, easy-to-follow overview of your site.

Use of Sitemaps:
1. Easier navigation and better visibility by search engines
2. Sitemaps immediately informs search engines about any changes of your site
3. You can rely less on external links

Uses of sitemap:
1. not only easier navigation and better visibility by search engines.
2. Sitemaps offer the opportunity to inform search engines immediately about any changes on your site.
3.Sitemaps also help in classifying your site content.
4.Sitemaps can even help with messy internal links - for instance if you by accident have broken internal links or orphaned pages that cannot be reached in other way.
5.If your site is new, or if you have a significant number of new (or recently updated pages), then using a sitemap can be vital to your success.

Sitemaps informs the search engines to crawl your website for any changes made.

1. It helps to generate higher ranking
2. Search engine easy to navigate
3. It gives information to search engines about your web page URL