The invention discloses a low-pressure pulse bag type dust collector which comprises a dust collector, a control panel, supporting legs, a dust hopper, an electromagnet pulse tube and an electromagnet pulse ring, wherein the supporting legs are arranged at bottoms of four corners of the dust collector; the supporting legs are fixedly connected with the dust collector; the control panel is arranged on a front panel of the dust collector; the dust hopper is arranged at the bottom of the dust collector; the dust hopper is communicated with the dust collector; the electromagnet pulse tube is communicated with the electromagnet pulse ring; the electromagnet pulse ring is arranged on one side of the dust collector. The low-pressure pulse bag type dust collector provided by the invention has beneficial effects that a filter bag frame ring, a filter bag frame rod and a filter bag box are arranged so as to improve the overall quality of a dust filter bag, prolong the service life, avoid frequent replacement, reduce cost investment, and have high economical and practical properties.