Afforded is a medical cap that is easy for a user to wear, has a suitable degree of heat-insulating effectiveness, and can be used as the inner cap of a helmet for a scalp-cooling device that cools the scalp. The medical cap (100) is made of a fabric body formed to cover a human head, and includes: a frontal region (11) that covers the forehead including the brow； an occipital region (12) that covers the occipital； a main body (1), including a nape region (13) for covering the nape； and connected thereto, a left temporal piece (2) and a right temporal piece (3)； wherein the left temporal piece (2) and the right temporal piece (3), respectively connected to the main body (1), form rear end-ward finlike protrusions (20) and (30), and cuts are formed between the finlike protrusions (20) and (30) and the nape region (13).
