Coccygodynia is a painful syndrome affecting the neighboring area of coccyx bone. There are numerous etiologies, which can be categorized into 3 parts: somatic pain, neuropathic pain and mixed pain. Among them, the most common is related to direct trauma to the coccyx area. However, other etiologies could not be easily identified and rendered patients long-term painful symptoms. Tracing back the medical literature, coccygodynia is rarely studied. This article is focused on five components: literature review, anatomy, etiology, diagnosis and treatment of coccygodynia. It is meant to provide medical professionals a more detailed understanding of coccygodynia when facing such patients in the future.