A film-shaped firing material (1) is provided, including first metal particles (10), second metal particles (20), and a binder component (30), in which the average particle diameter of the first metal particles (10) is 100 nm or less, and the maximum particle diameter thereof is 250 nm or less, the average particle diameter of the second metal particles (20) is in a range of 1000 to 7000 nm, the minimum particle diameter thereof is greater than 250 nm, and the maximum particle diameter thereof is 10000 nm or less, and the mass ratio of the first metal particles to the second metal particles is 0.1 or greater.