Royal Doctor

Royal Doctor is similar to Love Destiny:
-FL moves to past life
-ML and FL fall in love
-FL stays in past life

Royal Doctor is similar to Likit Haeng Jan:
-Femal lead comes from present life
-Male lead comes from past life
-Switch identity

The competition between modern medicine and traditional medicine is seen in both dramas. In korean drama male lead travels to modern era while Thong ek is opposite, female lead travels to ancient era.

Originally was supposed to be a sequel to Thong Ek but storyline changed still basic elements about Mor Luang is still similar to Thong EK such as leads cast, herbal, and historical time period.

In both series the female lead travels from the future to the past
in both series the mother of the male lead is against the female lead

Royal Doctor is similar to Tawipop:
-FL from modern area
-ML from historical area
-FL goes to the past
-FL falls in love with ML and stays in past life

Royal Doctor is similar Buang Banjathorn to :
-FL from modern area
-ML from historical area
-FL goes to the past
-FL falls in love with ML and stays in past life