Raised bumps on the external auricle may be associated with auricular pseudocysts, sebaceous cysts, boils and other diseases. 1. Auricular pseudocysts: These are patchy bumps on the ventral side of the auricle, which are cystic in nature in the early stages, and as inflammation progresses, the cystic fluid fibers agglutinate to become hard and include a burning or itching sensation. 2. sebaceous cysts: due to the sebaceous gland secretion is blocked, can lead to secretion stagnation and the formation of sebaceous cysts. 2. Boils: Acute purulent lesions localized to hair follicles due to invasion of individual hair follicles and their surrounding tissues by pathogenic bacteria such as Staphylococcus aureus. It is recommended that people with raised bumps on the outer auricle go to a regular hospital in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor, so as not to delay the disease and bring adverse effects on the body.