The invention provides an interventional treatment system suitable for pneumology department, which is applied to the field of medical instruments, the system mainly comprises a drainage absorption module, a puncture module, a suction module and a monitoring module, by arranging the drainage absorption module, pneumatosis and hydrops in a pleural cavity can be permeated and discharged, and meanwhile, the drainage absorption module is arranged to be a sponge, hydrops are discharged through the absorption and permeation effects of the sponge, and meanwhile, hydrops can be discharged through pores of the sponge; by arranging a traction mechanism, the cotton can be pushed out, so that the contact area between the cotton and the hydrops is increased, and the hydrops absorption efficiency is improved; by arranging the puncture module, the trachea can be opened, meanwhile, a drainage tube can be directly inserted into the pleural cavity conveniently, meanwhile, the puncture module is arranged to be of a structure convenient to disassemble, after the drainage tube is inserted, the puncture module is disassembled so that the drainage tube can be moved and operated conveniently, and meanwhile it is guaranteed that the drainage tube cannot be scratched by a puncture needle when the drainage tube is withdrawn.