The bones in your fingers are called phalanges. Each finger has three phalanges, except the thumb, which has two phalanges.
A broken, or fractured, finger occurs when one or more of these bones breaks.
A break is usually the result of an injury to the hand. Although the bones in the hand are small, a broken (fractured) Finger fractures is not a minor injury.
The bones in a normal hand line up precisely. They let you perform many specialized functions, such as grasping a pen or manipulating small objects in your palm.
When you fracture a finger bone, it can cause your whole hand to be out of alignment. Without treatment, Finger fracture might stay stiff and painful.