Microfluidic ion detection chip having bubble brightening structure, and detection method thereof

A microfluidic ion detection chip having a bubble brightening structure, comprising:

• a substrate, wherein the substrate is provided with a fluid mixing region, a lower optical detection through hole, and a lower gas flow channel;
• an upper plate, wherein the upper plate is adhesively connected to the substrate, the upper plate is provided with a sample outlet, an upper optical detection through hole, an upper gas flow channel, and two sample inlets, and the upper gas flow channel and the lower gas flow channel are combined to form a gas flow channel;
• two glass cover plates, wherein the two glass cover plates are respectively disposed at the lower optical detection through hole and the upper optical detection through hole, the two glass cover plates are respectively bonded to the substrate and the upper plate, and the glass cover plates are configured for cooperating with ion optical detection;
• and
• a foam board, wherein the foam board is provided with a foaming structure capable of generating bubbles and a surfactant coated on the foam board, and the foam board is disposed at the gas flow channel.