The man, surnamed Zeng, was from Hui'an County of Quanzhou City. He was confirmed to be infected with the virus in the early morning of Friday and died in hospital in the morning, according to the statement.
He was admitted to hospital on Wednesday.
This was the first human case of H7N9 in Fujian this year.
Human cases of the bird flu virus have also been reported in the provinces of Zhejiang, Jiangsu and Guangdong so far this year.