Objective To explore the clinical efficacy of the interventional recanalization for infertile women with fallopian tube obstruction. Methods 636 infertile patients with fallopian tube obstruction diagnosed by hystero-salpin-gngraphy were treated with interventional tubal recanalizafion under X-ray. Results Among 636 patients with 984 complete fallopian tubes obstruction,there were 804 recanalization in tile 984 fallopian tubes and the successful rate of recanalization was 81.71%. Among 252 fallopian tubes with not complete obstruction ,there were 252 recanali-zation in the 252 fallopian tubes and the successful rate of recanalization was 100%. The all successful rate of reca-nalization was 88.3%. These patients pregnancy rate was 28.30% in one year and the second fallopian tube obstruc-tion rate was 6.79%. There was 4 ectopic pregnancy. Conclusions Interventional tubal recanalization has important application in the diagnosis and treatment for infertile women with fallopian tube obstruction, h has merit, such as simple, safe and good effect.