Conscription period used to be 3 years, then 2, then 1, then 4 months. Finally it became too obvious that 4 months is a joke, so it’s being grudgingly raised back up, but only to 1 year. Still barely time to get any proper training done; for comparison, Israel’s conscription is almost 3 years and includes women.
The Taiwan government also persistently underpays military service members. The result is that it never hits its targets for professional (non-conscript) personnel, then wrings its hands about it…