Jinshi is generally described as 19 years old in the story’s current timeline. In his public role, he also presents himself as an older eunuch, typically 24 years old , which is part of his cover.

Age in context

  • Real age: 19.
  • Public/disguised age: 24.
  • The age confusion comes from the series using his disguise for court life while revealing his true age later.

Quick scoop

If you’re asking about The Apothecary Diaries character, the simplest answer is: Jinshi is 19, but he appears as 24 in court.