High-capacity ink fountain pen

The invention provides a high-capacity ink fountain pen. A pen holder of the fountain pen is also used as an ink pipe. The tail end of the pen holder is provided with a suction pipe with a sealing cover. When the high-capacity ink fountain pen is in use, a large capacity of ink can be sucked from a pen point into the pen holder also used as the ink pipe through the suction pipe, and therefore the fountain pen can be used for a long time. 本发明提供种大容量墨水钢笔，所述钢笔的笔杆是兼作墨水管的笔杆，尾端设有带封盖的吸管。使用时，可通过吸管经笔尖向兼作墨管的笔杆内吸注大容量的墨水，由此可长时间使用。