Novel roadblock convenient for stable connection

The utility model discloses a novel roadblock convenient for stable connection. The roadblock comprises a roadblock box body, accommodating cavity, a long-strip-shaped containing through hole is formed in the roadblock box body in the length direction of the roadblock box body. An accommodating groove is formed in one end of the roadblock box body; a clamping bulge is arranged at the other end ofthe roadblock box body; a first through hole and a second through hole which are communicated with the containing cavity and the containing through hole are formed in the bottom wall of the containinggroove in one end of the roadblock box body at intervals, and a third through hole and a fourth through hole which are communicated with the containing cavity and the containing through hole are formed in the top wall of the clamping protrusion at the other end of the roadblock box body at intervals. By means of the mode, the connecting ropes can be arranged in the through holes of the roadblockin a penetrating mode to bi