The utility model provides a multipurpose drying bottle used in laboratories. The multipurpose drying bottle is characterized in that a ring-shaped tapered base in fine fit with the inner diameter of a bottle body is arranged at the bottom end of the bottle body; the base is a concave drying chamber from top to bottom; drying agents are put in the base; a circular cover in extra-fine fit with the bottle body is arranged at the upper end of the bottle body; a lifting knob fixedly connected with the cover is arranged in the middle position of the upper end face of the cover. The drying bottle not only can keep materials in the bottle from rotting and going bad for a long time but also is convenient to use and conduces to saving the test resources.