2003年，發行首張全創作專輯《樂行者》。雖然時逢SARS，但他和團隊不輕言放棄，在3個月內走遍26個城市，進行了上百場演出，奠定了之後在中國大陸的穩固基礎。推出個人第四張專輯《曹操》，首次嘗試搖滾曲風，將R&B與多種音樂元素結合，確立個人風格概念“J-Fusion”；3月27日，受新加坡旅遊局邀請，擔任新加坡旅遊形象大使；2006就是俊傑世界巡迴演唱會開跑，這也是林俊杰首次舉辦個人巡演。In 2007, a bold and groundbreaking album, "WestEnds", was launched on the basis of the tangle of good and evil of human nature, and on July 22nd, at the "West Frontier" Tianjin Signing Conference, 3,052 individual albums were signed in two hours, 28 minutes and 9 seconds, setting a new Guinness World Record and awarded the certificate by a certification officer from Guinness, UK First time to participate in a tv series, guest appearance in taiwan idol drama "Fancy Young Girl"
1996年，林俊杰開始參加各種歌唱比賽，前後獲得多個詞曲創作和演唱大獎。1999年，海蝶音樂在“非常歌手訓練班”發現了他。
2003年，發行首張全創作專輯《樂行者》。雖然時逢SARS，但他和團隊不輕言放棄，在3個月內走遍26個城市，進行了上百場演出，奠定了之後在中國大陸的穩固基礎。推出個人第四張專輯《曹操》，首次嘗試搖滾曲風，將R&B與多種音樂元素結合，確立個人風格概念“J-Fusion”；3月27日，受新加坡旅遊局邀請，擔任新加坡旅遊形象大使；2006就是俊傑世界巡迴演唱會開跑，這也是林俊杰首次舉辦個人巡演。In 2007, a bold and groundbreaking album, "WestEnds", was launched on the basis of the tangle of good and evil of human nature, and on July 22nd, at the "West Frontier" Tianjin Signing Conference, 3,052 individual albums were signed in two hours, 28 minutes and 9 seconds, setting a new Guinness World Record and awarded the certificate by a certification officer from Guinness, UK First time to participate in a tv series, guest appearance in taiwan idol drama "Fancy Young Girl"