Humidifier suitable for fuel cell

The utility model relates to the technical field of fuel cells, and provides a humidifier suitable for a fuel cell, which comprises a main body structure, a membrane tube and a flow guide groove arranged in the main body structure, the membrane tube is of a bent structure, dry air is suitable for flowing in the membrane tube, the membrane tube is arranged in the flow guide groove, and the flow guide groove is communicated with the membrane tube. The moisture is suitable for flowing in the flow guide groove, so that the moisture in the flow guide groove permeates into the membrane tube to humidify the dry air; the flowing directions of the wet air and the dry air are opposite, and the flow guide groove is of a bent structure matched with the membrane tube, so that the flow guide groove guides the wet air to flow along a bent route; according to the utility model, the humidifying time of the dry air by the moisture can be prolonged, so that the dry air is fully humidified by the moisture, and the humidifying ef