Sincere invitation for the Cataract Ultra-Fine Phacoemulsification Technique Training Class organized by Liaocheng Ophthalmology Hospital on September 24, 2022, in Liaocheng, Shandong Province. Hosted by Liaocheng Ophthalmology Hospital, this training aims to accelerate the promotion of cataract surgery techniques, enhance the technical capabilities of ophthalmic professionals, and promote the development of ophthalmic academic level in our city. The training will be held with the assistance of爱尔康（China）Ophthalmic Product Co., Ltd. The detailed information of the training is as follows: Date: September 24, 2022, Location: Multi-functional Hall on the second floor of Liaocheng Ophthalmology Hospital. Attendees: Ophthalmic professionals from various medical institutions in Liaocheng City. Due to limited seats, the training will be filled on a first-come, first-served basis. Attendees are required to be punctual. To facilitate the reception arrangements by the conference organizing committee, please submit the list of attendees in the form of information by September 23, 2022. Training Content: Mainly focuses on cataract ultra-fine phacoemulsification surgery training and operation, with theory based on 'Patient Selection'. The design of this invitation was created using eqxiu.com's online design platform, offering a wide range of templates for quick and efficient creation.