The following are the possible causes of the sensation of bugs crawling in the back: 1, local neuritis resulting in abnormal sensation, the patient is advised to apply local ointment to relieve the symptoms, you can also give B vitamins to nerve therapy. 2, the sensation of bugs crawling in the back may also be a sign of diabetic peripheral neuropathy, the patient is advised to strictly control blood sugar, avoid violent fluctuations in blood sugar, if necessary, under the guidance of a specialist physician to adjust the glucose lowering treatment plan. 3, the feeling of bugs crawling in the back may also be cerebrovascular disease, cervical spine lesions resulting in discomfort, we recommend that patients improve the head CT, magnetic resonance examination or cervical spine CT, magnetic resonance examination to clarify the lesions.