Recently, the number of patients with high myopia combined with cataracts has been increasing. Compared with general age-related cataracts, the age of onset is relatively young, with increasing myopia and vision loss, requiring surgical correction. Compared with normal eyes, high myopia often has problems such as eye deformation, vitreous clouding, retinal filiform, and high incidence of retinal lesions. Compared with ordinary cataracts, preoperative and postoperative attention is needed: Preoperative: If you have been wearing contact lenses for a long time, it is recommended to stop wearing them for 1-2 weeks before the preoperative examination to make the measurement data relatively accurate; if you have had laser or other myopia surgery or retinal surgery in the past, try to bring the previous If you have had laser or other myopia surgery or retinal surgery in the past, try to bring all the case information or inform the doctor so that the examination and surgery can be prepared more fully and accurately. Some patients may also need to undergo laser treatment before surgery. Do not drive or bike to the hospital for the preoperative examination, as the vision will be blurred for a few hours after the pupil dilatation to avoid inconvenience. Some patients cannot see the fundus clearly before surgery due to cataract blockage. After surgery, the fundus can be observed and may require laser treatment and follow-up if there are lesions. Again, the pupil needs to be dilated during fundus examination and treatment, and try not to come to the hospital by car or bicycle. Within six months after surgery, especially the first 1-3 months, try to avoid activities of low head and breath-holding to lift heavy objects (including prolonged prone position massage, etc.), if there is a self-conscious increase in black shadows in front of the eyes, partial visual field obscuration, visual distortion and bending or vision loss, you need to come to the hospital in time. If there are no special circumstances, it is recommended to follow up the fundus with dilated pupils at least once in the postoperative period of one month, three months after surgery and six months after surgery. Some patients with high myopia may be sensitive to surgery or postoperative hormonal eye drops, and postoperative intraocular pressure may fluctuate, and medication may need to be adjusted depending on individual circumstances. If there is no abnormality after surgery in one eye, surgery in the other eye can usually be performed in 2-3 weeks. The previous glasses cannot be worn after the surgery, and the prescription needs to be adjusted. During the transition period, since the difference in prescription between the two eyes may be large, it is necessary to pay attention to adaptation when traveling, and it is advisable to go up and down steps slowly. Generally, you can get your prescription in about 2 months after surgery. The normal post-operative distance is about 30-35 cm, but patients with high preoperative myopia are generally used to looking very close to their eyes, and this habit needs to be adjusted and changed.