The present invention provides an incubator hood having a hydrophilized portion on at least a part of its inner surface, the hydrophilized portion containing a hydrophilic polymer and an antibacterial agent, and a surface of the hydrophilized portion having a water contact angle of up to 30°, and also provides an incubator having the incubator hood as well as a hydrophilic sheet and a hydrophilic antibacterial film for use in forming the hydrophilized portion on the incubator hood. Thus the present invention provides an incubator hood, an incubator, a hydrophilic sheet and a hydrophilic antibacterial film that have excellent antifogging properties and antibacterial properties and can suppress the growth of bacteria.