Griddle with adjustable space between upper and lower pans, including an upper shell, a lower shell, rear sides of the upper and lower pans connected through adjustable hinges, the bottom of the upper hinge seat extending downwardly and the top of the lower hinge seat extending upwardly to form upper and lower joint arms, a groove extending along the side of the lower joint arm, the top of the groove extending forward, a protrusion mounted at the side of the lower joint arm and in front of the groove; the bottom of the upper joint arm extending to one side to form a pintle which can move in the groove, and a supporting portion formed at the bottom of the upper joint arm and in front of the pintle, to keep a space between the upper pan and the lower pan by abutting against the protrusion.