Double eyelid repair is to improve the function and shape of the eye on the basis of destroying the original shape, function and anatomical structure of the eye and combining aesthetics. Different from the normal eye shape, function and anatomical structure, ophthalmic surgery is a fine chemical work with high difficulty, high standard and high requirements. Doctors are required to have a correct concept, a higher level and many years of clinical experience.

Cao Renchang, an international ophthalmologist and distinguished president of Angel. He has been focusing on eye surgery for 27 years, and creatively put forward such technologies as "strict preoperative examination and design marking, precise operation, unique advancement, meticulous minimally invasive and seamless, and 7-layer suture", which created the field of ophthalmology. He succeeded after more than 30,000 failures, which established his position as a leader of South Korea. Dean Cao relies on pioneering theoretical contributions and solid clinical practice in ophthalmology.

Guangzhou Angel is the only institution representing Korean technology at home and abroad, and it is also a medical beauty institution with rich domestic customization resources, internationalized doctor qualifications and high degree of medical beauty customization.

Guangzhou Angel, as the designated cooperation institution of South Korea, integrates the elites of international medical and beauty circles such as China, South Korea and the United States, introduces the customized beauty system of South Korea, covers the technical advantages of South Korea and the clinical characteristics of China, and provides consumers with communication, diagnosis, solutions and services according to the fine standards of South Korea.