Cold sawing of section steel is one of the common equipment problems in the steel industry. The problem of choking will seriously affect the production rhythm and product quality. After technical transformation, the production rhythm of profile steel production line is accelerated, and cold sawing has become a bottleneck affecting the output of the whole plant. Diversified equipment management completely solves the problem of the influence of choking on the production line rhythm. Demonstrate the importance of strengthening equipment maintenance.