Glue bottle with controllable volume

The utility model discloses a glue bottle with a controllable volume. The glue bottle with the controllable volume comprises a bottle body (1), wherein a bottle cap (2) covers a bottle opening of the bottle body (1) and is provided with an opening, the diameter of the opening of the bottle cap is smaller than that of the bottle opening, an auxiliary cap (3) is arranged on the bottle cap (2) and comprises a cap body and a hairbrush connected with the cap body, and the hairbrush extends into the bottle body (1) through the opening in the bottle cap (2). According to the glue bottle with the controllable volume, due to the fact that the auxiliary cap provided with the hairbrush is arranged on the bottle cap, when the needed volume is small, glue can be taken out from the opening through the hairbrush, and when the needed volume is large, the bottle cap can be unscrewed so that the glue can be poured out. The glue bottle with the controllable volume is simple in structure, the volume of the glue which is poured o