The condition of left iliac bone patchy irregular slightly long T2 signal on review of cervical cancer may be due to metastasis of cancer cells. Cervical cancer is a relatively common malignant tumor in women, which is related to high-risk human papillomavirus infection. Once discovered, patients should cooperate with doctors for surgical treatment, radiotherapy, chemotherapy and immunotherapy as soon as possible, and need to choose appropriate treatment plan. After treatment, patients with cervical cancer are found to have irregular and slightly long T2 signal in the left iliac bone, which belongs to localized high signal, and it is not excluded that patients have bone metastasis, especially in middle and late stage of cervical cancer, and it is difficult to achieve a complete cure. Therefore, patients should actively cooperate with doctors in the treatment of cervical cancer, meanwhile, they should follow up and review regularly, and after metastasis of cancer cells, they need to take radiotherapy and other adjuvant therapeutic measures, so as to improve the quality of life of patients.