Showerhead stored with cleaning liquid

A shower device, comprising:

• a shower device body comprising:
• a body port is provided on a first side wall of the shower device body;
• a body water channel;
• a shower head comprising spray holes, wherein the shower head is connected to the shower device body, and wherein the spray holes are fluidly coupled to the body water channel;
• a storage box for storing a cleaning liquid, wherein the storage box comprises a liquid inlet and a liquid outlet, wherein the storage box is installed in the shower device body, wherein the liquid inlet and the liquid outlet are each fluidly coupled to the body water channel, wherein an exterior of the storage box forms a portion of the body water channel;
• wherein the storage box comprises a liquid refill port on a side wall of the storage box and the liquid refill port is concentrically aligned with the body port;
• a plug cap is aligned with and disposed through the body port and removably connected to the liquid refill port;
• a control valve installed in the liquid inlet and configured to control opening and closing of the liquid inlet;
• and
• a one-way valve installed in the liquid outlet.