Protest by thousands of doctors on Sunday throughout the streets of Seoul.
They are upset over plans to increase medical school admissions.
International media reports says trainee doctors are also angry over difficult working conditions that include low pay and long hours.
Last month about 8,000 trainee doctors in South Korea began striking by tendering their resignation and a 1,000 have resigned since then.
Doctors also claim the need for more support of the nation’s medical system.
Staffing challenges in specific fields, proper infrastructure to help educate new medical students, the cost government’s pays for much needed medical treatments are others area they want addressed.
2,000 is the target set by the Seoul administration to carry up the number of students admitted to medical schools next year.