The invention discloses a device for shunting neck glass liquid in a glass melting furnace, which comprises a water inlet and a discharging tube arranged side by side in a reverse L shape and a first connecting pipe and a second connecting pipe arranged side by side in a shape opposite to the reverse L; the water inlet and the discharging tube as well as the first connecting pipe and the second connecting pipe are respectively matched with two sides of pool walls of the glass melting furnace; the shunting device further comprises a first cooling water pipe, a second cooling water pipe, a third cooling water pipe and a fourth cooling water pipe which are tightly connected side by side in sequence to form a rectangular plate; the water inlet, the first cooling water pipe, the first connecting pipe, the second connecting pipe, the second cooling water pipe to the fourth cooling water pipe, and the discharging tube are connected in an end-to-end manner in sequence to form a water stream channel; the rectangular plate is configured to be inclined relative to a horizontal direction; and the shunting device inclines towards a glass flowing direction liquid surface, and the convection of the glass liquid is changed, so as to control the glass liquid flow, improve clarification defects without limiting the depth of the shunting device, thereby improving the clarification effect.