The utility model provides an emergent communication box and emergent communication component. Emergent communication box includes: the plastic width -lock type single -layer sealed packing case comprises a casin. But the chamber door of switching setting on the box, communication equipment, OLT equipment, optic fibre, the fiber optic distribution frame of setting in the box, melt fine box, communication equipment and the communication of OLT equipment melt and insert OLT equipment through optic fibre and fiber optic distribution frame after fine box is connected. Through communication equipment, OLT equipment, optic fibre, fiber optic distribution frame, melt the synergism of part such as fine box, messenger's light signal is connected through optic fibre, the optical cable infrastructure with the user side to guarantee the user normal life, power consumption, purchase. The utility model provides an emergent communication box is applied to in the electric power distribution automation optical communication field for the distribution communication system emergency event of utilities electric co. Handles, is favorable to improving the quality of service of utilities electric co. Prevention and reduction distribution communication system emergent events and influence that causes and loss.