Abstract
• Background: A new way of heat treatment with far-infrared and / or acupuncture on acupoints is studied to treat the stubborn dizziness of patients.• Methods: A single-blinded 4-arms parallel randomized controlled trial is designed: arm of acupuncture, arm of far-infrared, arm of acupuncture plus far-infrared, arm of placebo with no far-infrared. There are four acupoints on left limbs and four acupoints on right limbs correspondingly, named as Neiguan (PC6), Hegu (LI4), Zusanli (ST36), and Taichong (LR3). The intervention time is 20 minutes for each. After treatment, visual analogue scale of dizziness, dizziness handicap intervention questionnaire and heart rate variability are used to measure and evaluate the results.• Discussion: This is a prior study in use of far-infrared and / or acupuncture on acupoints for the treatment of stubborn dizziness. It promotes the basis to further acupoints treatment according to the concept of traditional Chinese medicine.• Trial registration: It was registered in ClinicalTrials.gov with number NCT04415307 on date June 1, 2020.