Osteoma is a benign tumor that most commonly occurs in the skull. When a patient has an osteoma in the hip bone, there are usually no clinical symptoms when the patient is small and the osteoma is only found during an occasional physical examination, which can be left untreated. If the osteoma of the hip bone is large, it can cause compression of the surrounding tissues. Patients may feel localized swelling of the hip bone and even experience pain. In this case, the patient often needs to undergo surgery to remove the tumor completely. After surgical removal, patients do not need to worry about recurrence and metastasis and can be cured with a good prognosis. For early detection of osteoma in the hip bone, it is very important for the patient to undergo daily medical checkups during the disease.