Disclosed herein is an oven. The oven includes a case having a cooking chamber therein, a door unit connected to the case, configured to open or close the cooking chamber, and having a transparent portion configured to enable a user to see the inside of the cooking chamber, a handle protruding from the door unit to the outside, and a camera module configured to photograph the inside of the cooking chamber, and disposed to be biased toward one end of the handle from the center in longitudinal direction of the handle.