1. acupuncturist's factors: the acupuncturist failed to accurately assess the patient's condition and physique, failed to calm down during acupuncture, chose acupuncture points inaccurately, or used too much force during operation, which led to strong acupuncture sensation when acupuncture points, which made the patient unbearable and dizzy.
2. Patient factors: because the patient does not have a good posture, the posture is uncomfortable during acupuncture operation, or the patient is nervous, afraid of pain, afraid of acupuncture, and psychologically unprepared. Therefore, muscle fibers contract after acupuncture, which leads to strong acupuncture feeling and needle halo.