There are many causes of tinnitus, and the common causes are as follows: 1. Vascular tinnitus: such as arteriovenous fistula around the ear. 2. Myogenic tinnitus: such as palatine muscle spasm, stapedius muscle spasm, tinnitus for “cluck, cluck” kind of spasm sound. 3. Airflow tinnitus: such as the abnormal opening of the eustachian tube breathing airflow sound. 4. Other joint noises such as relaxation of the temporomandibular joint capsule are mistaken as coming from the ear. 5. Ear diseases: such as cerumen impaction, otitis media, Eustachian tube obstruction, otosclerosis, Meniere’s disease, acoustic neuroma, noise deafness, toxic deafness, senile deafness. 6. Systemic diseases: such as high or low blood pressure, arteriosclerosis, anemia, leukemia, kidney disease, diabetes, toxemia, excessive smoking, alcohol, poisoning, menopause, etc. 7. Psychological factors: such as work pressure, emotions, etc. 8. Others: such as sleep disorders. Patients with tinnitus should pay great attention to it, and if necessary, it is recommended to consult a doctor in time for examination to clarify the cause and treatment under the guidance of the doctor.