Cooling head and electronic apparatus

An electronic apparatus comprising:

• an electronic device;
• and
• a cooling head configured to cool the electronic device, wherein the cooling head includes:
• a first refrigerant flow channel, provided so as to be in contact with an object to be cooled, configured to flow refrigerant;
• a second refrigerant flow channel configured to flow the refrigerant;
• and
• at least one communication hole, provided between both ends of the object to be cooled in the first refrigerant flow channel in a first flow direction of refrigerant in the first refrigerant flow channel, configured to allow the first refrigerant flow channel and the second refrigerant flow channel to communicate with each other.