PURPOSE: To obtain an intensive function-type hot-melt film having excellent heat-resistance and water-tightness and contributing in the automation and unmanned operation of the pasting work of an inside screen by combining a nonwoven fabric with a specific thermoplastic saturated polyester resin.

CONSTITUTION: The objective hot-melt film is produced by using (A) a low- crystalline thermoplastic saturated polyester resin having a molecular weight of 5,000-30,000, a hardness (Shore A) of ≤75, a glass-transition point of ≤10°C and a softening point of 80-200°C and impregnating the resin A in (B) a nonwoven fabric or laminating the resin A to one or both surfaces of the nonwoven fabric.