Immersion cooling system

An immersion cooling system, comprising:

• a tank having a first space configured to accommodate a cooling liquid for at least one electronic equipment to immerse therein;
• a first condenser disposed inside the tank;
• an enclosure disposed outside the tank and forming a second space together with the tank;
• a second condenser disposed in the second space, the second condenser comprising:
• a first main body configured to condense a first gas into a first liquid, the first main body having at least one first through hole;
• a fan connected with the first main body and configured to absorb the first gas into the first main body through the first through hole;
• a first input port communicated with the first main body and configured to allow a first water to flow into the first main body;
• a first output port communicated with the first main body and configured to allow the first water to flow away from the first main body;
• and
• at least one extension pipe connected with the first main body and communicated with the first through hole, the extension pipe having a plurality of second through holes arranged along an extending direction of the extension pipe;
• and
• a connecting pipe comprising a first end and a second end opposite to the first end, the first end connecting with the first main body, the second end being communicated with the first space.