When patients experience the symptomatic feeling that the external ear canal is always itchy, it is often caused by eczema of the external ear canal, and there may also be a fungal infection of the external ear canal. Patients need to have a detailed examination of the ear to analyze the specific causes, as follows: 1. External ear canal eczema: Patients are often prone to the occurrence of external ear canal eczema conditions due to being in a humid air environment for a long time or repeated water ingress in the ear, or repeated stimulation of the ear by tears, sweat and inflammatory secretions, causing repeated itching symptoms; 2. External ear canal fungal infection: It may be due to using 2. Fungal infection of the external ear canal: It may be caused by the use of unclean tools to dig the ears in public places, or the excessive use of antibiotic ear drops for a long time due to the chronic inflammation of the middle ear, which can easily cause fungal infections in the ear canal, leading to recurrent itching in the ear and even the symptoms of blockage in the ear and hearing loss.