Pulse bag filter,as a widely used env ironmentally friendly dust removal equipment,has played a huge role in the industry.However,with the continuous progress of technological research and the increasing de-mand from users,we have found that there is still significant room for improvement in this type of dust collector in practical applications.The structure and matching dimensions of its filter bag and cage skeleton are mainly discussed.By comparing and calculating relevant parameters,summarize the basis and ideas for optimization,and provide specific optimization and improvement methods.