The application of sutureless minimally invasive vitrectomy has been used for more than 10a. High-speed cutting and fine instrumentation have been effective in the treatment of severe vitreoretinal diseases, but intraoperative and postoperative complications have also seriously affected vision recovery, including choroidal detachment is minimally invasive vitrectomy and postoperative relatively rare complications, secondary glaucoma, decreased vision, etc. The reasons and treatment of choroidal detachment during and after minimally invasive vitrectomy are summarized below.