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Abducens nerve palsy (ANP) is commonly seen in patients with diabetes mellitus.The validity of acupuncture as a traditional Chinese medicine method in peripheral nerve repair is well established. However, its efficacy in randomized controlled trials remains unclear. Herein, we designed a protocol for a prospective, single-center, randomized controlled trial to investigate the effect of intraorbital elec-troacupuncture on diabetic ANP. We plan to recruit 60 patients with diabetic ANP, and randomly divide them into treatment and control groups. Patients in both groups will continue their glucose-lowering therapy. A neural nutrition drug will be given to both groups for six weeks.The treatment group will also receive intraorbital electroacupuncture therapy. We will assess efficacy of treatment, eyeball move-ment, diplopia deviation and the levels of fasting blood-glucose and glycosylated hemoglobin before treatment at 2, 4, and 6 weeks after treatment.The efficacy and recurrence will be investigated during follow-up (1 month after intervention).This protocol was registered at Chinese Clinical Trial Registry on 16 January 2015 (ChiCTR-IPR-15005836).This study was approved by the Ethics Committee of First Affiliated Hospital of Harbin Medical University of China (approval number:201452). All protocols will be in accordance with Declaration of Helsinki, formulated by the World Medical Association. Written informed consent will be provided by participants. We envisage that the results of this clinical trial will provide evidence for promoting clinical use of this new therapy for management of ANP.