Typically, diabetes does not give the symptom of heat in the back and neck; when this symptom occurs, medical examination should be done to confirm the cause. The main symptoms of diabetes include excessive drinking, eating and urinating, weight loss, and blurred vision; failure to intervene in a timely manner may lead to complications such as diabetic ketoacidosis, infectious diseases, diabetic nephropathy, and diabetic foot; it may even lead to malignant diseases; however, diabetes does not usually directly trigger the symptoms of a hot back and neck. This symptom may be related to other diseases such as allergies and colds, etc. It is not possible to confirm the diagnosis simply by virtue of the symptoms of back and neck fever, so it is recommended that the patient consult a doctor as soon as possible to diagnose the cause of the disease and follow the doctor’s instructions to carry out the treatment.