The utility model discloses a single-body type intrauterine medicine releasing body for improving medicine releasing speed. The single-body type intrauterine medicine releasing body comprises a column-shaped medicine core and a cylindrical releasing control film which is tightly arranged on the column-shaped medicine core in a sleeving mode. Under the premise that the size of the intrauterine medicine releasing body with a cylinder as a base body is not increased, the surface area of the intrauterine medicine releasing body is increased, and the medicine core is a non-cylinder. The releasing control film is made of medical rubber of 0.1 mm. The inner surface of the releasing control film and the outer surface of the medicine core are matched in shape. A plurality of regular or irregular concave parts can be arranged on the surface of the intrauterine medicine releasing body, under the condition that occupied space is not increased, the surface area of the medicine releasing control film is increased, and then medicine releasing speed is increased.