Things that you can do to promote your business using facebook:

-Set Up Your Business Page
-Invite Friends to Like Your Page
-Ask Friends To Invite Their Friends
-Prepare A Posting Schedule and Stick to It
-Add Facebook Like Box on your Website
-Use Facebook as your Page
-Use Giveaways and Organize Contests
-Post Valuable Content
-Use Images and Memes

you can share your post in your Face book groups
share posts on face book
like and replies

Create a nice facebook business page, add all details about the business, Invite Friends to Like Your Page, Create valuable content to share consistently.

Facebook is a great source of organic traffic for blog
 

Facebook is really a wonderful way of get organic trafic by creating a page for blog and sending regular content and event etc.

Create a contest and raffle some giveaways for the people who join the contest

show me the meaning of " SMO "? Thanks

follow the steps below to boost a post

1) Get started. Go to the post you want to promote. This can be a new post or an existing one on your Page's Timeline

2) Choose your audience. Next, decide who you'd like to see your post

3) Choose your budget. Set your maximum budget