Inclusion Criteria:  The subject understands the purpose of this clinical trial and is willing, able and committed to return to the center for all clinical trial visits and to complete all research related procedures  Exclusion Criteria:  1. Associated with corneal abnormalities, such as active Keratitis (corneal infection) , corneal dystrophy, Keratoconus, corneal Leukoplakia, corneal hypoesthesia, or previous corneal surgery, or a history of corneal trauma; 2, there are other eye diseases, such as Dacryocystitis, dry eye disease, conjunctivitis, blepharitis, Uveitis, and other inflammation, Glaucoma, cataracts, fundus disease, eye tumors, ocular trauma, squint patients; 3. A history of allergy to contact lens or contact Lens Solution. 4. Test results indicate that subjects with contraindications or unsuitable for wearing Orthokeratology.