To provide an inexpensive subvisor for a helmet, capable of keeping the field of view good, preventing muddy water splashed when traveling on a bad road from diving into the eye, and facilitating the recovery of the field of the view even if being made dirty.

The subvisor 5 for the helmet to be attached to a visor protruded from a forehead part and having a goggle function is equipped with a subvisor body 21 to be attached so as to be extended from the tip of the visor and enabling sight to be seen through, and attaching arm parts 22 and 23 for attaching the subvisor body 21 to the visor. A laminated film 6 to be stripped, enabling each one sheet to be stripped and enabling the sight to be seen through is pasted on the body 21.