Baghouse dust bag is inside one of the most important parts, breakage occurs when dust bag, bag filter will stop working. What baghouse dust bag appears damaged the reason that? Filter design defects; defects or process parameters is unreasonable; no real-time sampling, or find the problem is not real-time response, real-time disposal. Keeping guard at the factory did not check off, so defective and substandard products fudge factory; no dust bag specification; although the specification requirements but do not understand; there is a clear specification, but the implementation is not severe; the type of defect selection of raw materials, or Upon inspection, certification will put into use; lack of user visits and user use media guidance; problems found lack of systematic deepening of research, there is no strict accordance with priorities to implement standardized homework; monitoring system is not perfect, dust bag is no clear monitoring items and limit values, resulting in repeated episodes of turmoil quality and so on.