Lin was first discovered in a Taiwanese beauty contest. She made her debut in the television drama True Love 18 (2004). Lin also starred in her first film Love Me, If You Can (2004), which earned her a nomination for Best Actress at the 40th Golden Horse Awards. She gained more popularity after starring in the idol drama series My Secret Garden II and Love Contract opposite Mike He. She also sang the theme song for Love Contract, titled "Alone in the northern hemisphere", which topped the KTV and ring tone charts for 12 weeks.