The causes of yellow and wet earwax include inflammation of the external auditory canal, eczema of the external auditory canal, purulent otitis media and other diseases. 1. Inflammation of the external auditory canal: trauma to the skin of the external auditory canal, fluid accumulation in the ear canal, bacterial infection, etc., may induce otitis externa, and if the purulent secretion oozes out more, it may lead to earwax that is wet and yellow. 2. Eczema of the external auditory canal: perverse reactions, mental factors, endocrine dysfunction and other reasons can lead to eczema of the external auditory canal. Itching of the ear canal, often accompanied by a burning sensation, and yellow watery secretion after digging can occur, forming yellow and wet earwax. 3. Suppurative otitis media: bacterial infection can cause acute suppurative inflammation of the mucosa of the middle ear, if the condition is more serious perforation of the tympanic membrane, pus outflow from the ear, you can see the wet yellow earwax. It is recommended that patients seek medical attention to identify the causes of wet and yellow earwax, and seek medical treatment in a timely manner.