The treatment methods of sacroiliac joint dense osteoarthritis are as follows: 1, conservative treatment: rest, braking, binding elastic band, physiotherapy, drugs, etc., most patients have better treatment effect, which commonly used drugs include celecoxib, diclofenac sodium, fenbid, etc., also can choose local acupuncture point compress, acupuncture, physiotherapy and other traditional Chinese medicine methods, the effect is very accurate; 2, surgical treatment: after conservative treatment, the symptoms are not relieved, or even aggravated. When the symptoms are not relieved or even aggravated after conservative treatment, it is appropriate to choose surgical treatment, such as sacroiliac joint fusion surgery. The specific medication should be combined with clinical practice and guided by the doctor’s interview.