A mineral water supply module may include a water supply pipe configured to supply water in a first direction, a mineral supply pipe configured to supply minerals in a second direction, a discharge pipe configured to discharge water or mineral water in the first direction, a resistance body case configured to connect to the mineral supply pipe and including a resistance body defining a micro channel in which minerals flow in the second direction, and a connector configured to connect the water supply pipe and the discharge pipe such that the resistance body case is provided between the water supply pipe and the discharge pipe and configured to allow the mixing of water from the water supply pipe and minerals from the resistance body case.