Auricular pseudocyst is a cyst formed by non-purulent plasma fluid in the cartilaginous layer of the auricle, which may be infected, affecting the appearance, cartilage necrosis and other hazards, and should be actively treated. 1. Infection: auricular pseudocyst is a kind of aseptic inflammatory reaction, there may be concurrent infections, such as localized ulceration, erosion or severe redness, swelling and heat pain, which will bring the patient fever, general discomfort and other related manifestations. 2. Affect the appearance: auricular pseudocysts may gradually increase in size and affect the appearance. 3. Necrosis of auricular cartilage: auricular pseudocysts may cause necrosis of the auricular cartilage, leading to deformation of the ear, and in severe cases, contracture may occur. When auricular pseudocysts are found, it is recommended to go to the hospital for further examination to avoid adverse effects.