The present invention relates to a head cushion. A functional/multi-purpose head cushion for a headband can: assist in supporting of a wearer's head by being provided on a headband; expand the support range for the head when worn by being formed from a flexible resilient material and having formed an opening, and at the same time minimize the pressure on the head, a portion prone to pain and the like by having minimized contact surface area; have excellent ventilation and thus minimize perspiration in case of long working time; have easy shape transformation and resilience due to enhanced flexibility; and prevent pressure and play the role of a buffer by coming into contact with the wearer's head in sequence/phases and distributing weight. A headband comprises: a band main body worn on a wearer's head; a support band, connected to the band main body, for supporting the upper portion of the wearer's head; an adjustment band connected to the rear end of the band main body and having adjusted the length thereof; and a length adjustment lever for adjusting the length of the adjustment band. And the headband is formed from a head cushion comprising: a main body which is depressively formed from up, down, left and right towards the central part; a fixing clip which is provided on the upper part of the main body and is inserted into the band main body or the support band; and banding members for integrally connecting both end portions of the fixing clip and the upper edge portions of the main body, wherein the head cushion is formed from a resilient material so as to have easy shape transformation and resilience and is insert-provided inside the headband and thereby assist in supporting a wearer's head.