Underground temporary danger avoiding system for preventing short-duration strong impact of ground fluid

The invention discloses an underground temporary danger avoiding system for defending against short-duration strong impact of ground fluid. The underground temporary danger avoiding system comprises a danger avoiding room with the danger avoiding service radius being r. A danger avoiding entrance is formed in the position, close to the danger avoiding masses, in the danger avoiding chamber, and a rescue exit is formed in the highest point of the danger avoiding chamber. Waterproof doors which resist high water heads and are opened outwards in one direction are arranged at the danger avoiding entrance and the rescue exit; an alarm device is arranged at the risk avoiding entrance; a spiral stair leading to the rescue exit is arranged in the danger avoiding chamber, and a life sustaining system and rescue equipment are arranged in the danger avoiding chamber. The underground temporary danger avoiding system can protect danger avoiding people under the flood with short duration and strong impact, solves the probl