Fang Yilun (Alen) was born in Jiaxing City, Zhejiang Province, He is a singer and actor from Mainland China.

In 2013, he made his official debut with the M4M group and released his first single "Sadness". In 2014, the youth idol drama "Different Beautiful Men" in which he participated was aired on Hunan Satellite TV. In 2015, the M4M member announced the termination of the contract.

In 2016, the crime comedy movie "Fake Undercover" in which he participated was released. In 2017, he starred in the idol drama of the Republic of China "May You Floating Like a Dream". In 2018, starring in the costume idol drama "Peerless Daughter". In 2019, starring in the national style romantic drama "The Moon Shines My Heart". In 2020, starring in the legendary romantic drama "Nine Stream Overlord".