The invention relates to a bipolar electric coagulation suction apparatus, which is mainly applicable to a nasal sinuses operation on a human body. On the basis of the prior art, the bipolar electric coagulation suction apparatus is also provided with a front electric coagulation head, a rear electric coagulation head, an external insulating tube, an internal insulating tube, a handle pressing cap, an electrode connecting sheet and an electrode connecting spring, wherein the front electric coagulation head is positioned on the front end parts of the internal insulating tube and an inner tube and is welded with the inner tube; the rear electric coagulation head is positioned on the front end parts of the external insulating tube and an outer tube and is welded with the outer tube; the end faces of the front electric coagulation head and the internal insulating tube extend out of the end face of the rear electric coagulation head, and the rear electric coagulation head and the outer tube are arranged between the external insulating tube and the internal insulating tube; and the handle pressing cap is connected with a handle, the electrode connecting sheet is fixed with the outer tube, and the electrode connecting spring is positioned between the electrode connecting sheet and an electrode plug. The bipolar electric coagulation suction apparatus has a reasonable design, not only can achieve electric coagulation and suction, but also can make two poles not contact the human body directly to avoid burning the human body; besides, the bipolar electric coagulation suction apparatus is safe, convenient and reliable to use.