The application provides a gas-liquid separator structure of a DMFC, which can meet the gas-liquid separation effect of the
system in any direction and meet the separation requirement, and comprises a gas-liquid separator body, top openings and bottom openings arranged on two sides of the gas-liquid separator body respectively, a gas outlet connecting
pipe arranged on the gas-liquid separator body, a
tail gas
discharge port arranged on the gas outlet connecting
pipe, an inlet connecting
pipe arranged on the gas-liquid separator body and corresponding to the gas outlet connecting pipe, a gas-liquid inlet arranged on the inlet connecting pipe, corresponding first and second gas-liquid separation baffles arranged in the gas-liquid separator body, a liquid blocking ring arranged on the first gas-liquid separation baffle, a conical flow guide surface arranged on the second gas-liquid separation baffle, the liquid blocking ring and the conical flow guide surface arranged reversely, and flow guide holes arranged on the first and second gas-liquid separation baffles.