A wall lamp configured with a rotatable control module is disclosed. The wall lamp includes a lamp body and a control module. The control module has a control unit and an operating parameter adjusting element respectively disposed on two different sides of the control module. A cover is designed to partially cover the control module. The control module is rotatable against a central axis respectively to a first angle position and a second angle position. When the control module is rotated to the first angle position, the operating parameter adjusting element is hidden behind in the back and the wall lamp is enabled to perform an illumination function. When the control module is rotated to the second angle position, the operating parameter adjusting element is exposed to being adjustable.