The invention discloses a children bath towel with a hat and side buttons, which comprises an oblong towel body, wherein the first long edge of the towel body is provided with a group of buttons and a group of buttonholes which are in bilateral symmetry and matched with each other; the left side and right side of the second long edge are mutually sewn, and cuffs through which arms can pass are arranged on the second long edge; the center of the towel body is provided with an opening of which the periphery is sealed; and the opening is fixedly connected with a hat part from which the face can be exposed. The towel is made of ultrafine fiber material, and a cambered-surface suede is formed by velvet cutting; the front cambered surface of the cambered-surface fluff end surface is a convex cambered surface; the rear cambered surface of the cambered-surface fluff end surface is a concave cambered-surface; the front cambered surface and the rear cambered surface are mutually connected smoothly; the rear cambered surface and the rear side surface bus of the fluff form an acute angle; and the front cambered surface is smoothly connected with the front side surface bus of the fluff. The bath towel is specially designed for children. The bath towel has the advantages of good water absorption and high drying speed, prevents silks from being scraped, has low possibility of unhairing and has low possibility of slipping off after being worn.