Heatable enteral nutrient solution constant-temperature bottle sleeve

The utility model relates to the technical field of medical auxiliary supplies, and discloses a heatable enteral nutrient solution constant-temperature bottle sleeve which comprises a constant-temperature sleeve, a small opening is formed in the upper portion of the constant-temperature sleeve, a large opening is formed in the lower portion of the constant-temperature sleeve, and first elastic bands are arranged on the upper portions and the lower portions of the two sides of the constant-temperature sleeve respectively. A mounting box is arranged on the front side of the constant-temperature sleeve, a temperature display screen is arranged above the front side of the mounting box, and a temperature adjusting button is arranged below the temperature display screen. The electric heating film is arranged on the inner wall of the heat preservation sleeve, meanwhile, the temperature display screen and the temperature control switch are arranged on the installation box, and the electric heating film is electricall