In your Final Report you need a Conclusions section. In this section you bring together the salient points (要點) of your project. In addition, areas for future research and analysis should be addressed. Try to focus on the following:
The Conclusion doesn't need to be long - about half a page to a page.
For more information see Writing a Research Paper Conclusions.
Although many business and engineering reports commonly have a separate Recommendations/Suggestions section, your Final Report does not need one. Just include your recommendations for future work in your Conclusions.