[Objective]To summarize the clinical experience of Professor FAN Binghua in treating sacroiliac joint dysfunction. [Method] From following Professor FAN Binghua's clinical and studying experienced cases ,summarizing the academic viewpoints and methods of Professor FAN Binghua in treating sacroiliac joint dysfunction, and with one classical case for experiencing details and methods when Professor FAN Binghua cures sacroiliac joint dysfunction. [Result]Based on theory of relationship between symptoms and etiology, Professor FAN comes up with concept of where there is symptom, there is reason and curing etiology should be put forward,starting with clinical symptoms to cure sacroiliac joint dysfunction, applying examinations of specialty to find out the internal close relationship between symptom and etiology and eliminate the similar disease, then curing the etiology in right way.[Conclusion]Pro.FAN has flexible thoughts, clear pertinence, and strong practicality, and histhree principls in cliniccan be guidence in clinic, and it is worth drawing reference and learning.