The report to the 2-nd International Cokemaking Congress describes hot and cold repair of heating partitions in coke ovens. Possible types of destruction of the partition are divided into three categories. The process of the coke-oven batteries repair carried out at the An'shansky metallurgical plant (China) is described. The repaired chambers would be able to operate without interruption for 8 - 11 years, their productivity being 85 - 95% of the rating power.