The most common cause of pain in the triangular fossa of the ear is a local inflammation, such as a boil or simple redness of the local skin. The main cause is still triggered by a bacterial infection, which can manifest as significant pain if it appears inflamed. Another cause is inflammation of adjacent tissues, such as toothache, which can also cause involving pain in the ear. Another cause is not an inflammatory condition, but may be neuropathic pain. There are more triggers for neuropathic pain, such as the usual stressful life and studies, lack of rest, sleep or frequent squeezing of this side of the ear, which can lead to pain. The cause of pain at the tragus must be clearly identified and appropriate treatment measures should be taken according to the different causes.