Cotton swab heating device

The utility model relates to the technical field of medical equipment, and discloses a cotton swab heating device which comprises a box body, a swab storage cavity for placing a single row of cotton swabs, a recovery cavity for placing used cotton swabs and a liquid storage cavity provided with a liquid storage bottle which are mutually independent and formed in an inner cavity of the box body, the bottom wall of the label storage cavity is in a funnel shape, a liquid immersion groove is formed in the middle of the bottom wall of the label storage cavity, a heater is arranged in the liquid immersion groove, a V-shaped sealing cover is arranged at the top of the label storage cavity, and a label taking cover right facing the liquid immersion groove is arranged in the middle of the sealing cover; the bottom of the liquid storage cavity is provided with a liquid supply channel communicated with the liquid immersion groove, disinfectant is arranged in the liquid storage bottle, the bottom of the liquid storage bo