What is the theme in The Lottery by Shirley Jackson?

There are many themes you can consider. Shirley Jackson's short story is "The Lottery", not "The Lottery Ticket." Two of the central themes in this story are tradition and conformity. Everyone in the village blindly conforms to a tradition that is vague at best. The pressure to conform is enormous. Really, the rest of the world, outside their village, is a strange foreign world. The insular nature of their village demands they conform or risk ridicule and possible exile.