With the growing population of diabetes patients on a global scale, the management of diabetic cataract has been attached more attention. Diabetic patients are often associated with fundus lesions, requiring early diagnosis and treatment for cataract duo to early onset and rapid progression of this disease compared to non-diabetics. Patients with diabetes also have an increased risk of developing postoperative corneal edema, diabetic macular edema and posterior capsular opacification etc., making cataract surgery technically challenging. Before surgery, patients should have good glycemic control and no evidence of ocular infection. An optimal operation timing and individualized treatment should be adopted to prevent vision-threatening complications and improve visual outcomes. This article provides an overview of diabetic cataract and related complications.