The feeling of stuffy blockage of running water in the ear may be caused by purulent otitis media, external ear canal eczema, otitis externa and other diseases. 1. Suppurative otitis media: acute suppurative otitis media or chronic suppurative otitis media often have the symptoms of stuffy ears and pus and running water during the active stage. 2. Eczema of the external auditory canal: Eczema of the external auditory canal generally refers to superficial dermal and epidermal inflammation of the external auditory canal caused by a variety of internal and external factors, clinically acute lesions are dominated by herpes papillosus, with a tendency to exudate, and the chronic phase is dominated by mossy changes, which is easy to recur. After the onset of the ear can have the feeling of running water and stuffy blockage. 3. Otitis externa: bacterial and viral infections lead to diffuse inflammatory changes in the external auditory canal, causing oozing and localized swelling, leading to the above symptoms. Patients should identify the cause of the disease under the guidance of the doctor and follow the doctor’s instructions for standardized medication and treatment.