Pressure supply module and liquid supply system having the same

A pressure supply module applicable for being installed to a liquid supply system, the liquid supply system including a base seat and a liquid storage apparatus, the liquid storage apparatus being disposed on the base seat and having a plurality of liquid tanks used for containing liquids, each of the liquid tanks having an entrance and an exit used to make the liquid flow out therefrom, the pressure supply module including:

• a connection unit including a connection member and a plurality of first flow valves, the connection member having an air intake opening, and a plurality of air outlet openings communicating with the air intake opening, the air outlet openings being applicable for being respectively connected to the entrances of the liquid tanks, the first flow valves being respectively disposed at the air outlet openings of the connection member;
• and
• an actuation unit connected to the air intake opening of the connection member and applicable to be disposed on the base seat, the actuation unit being used for providing air at constant pressure to the air intake opening of the connection member.