The menstrual cup provided by this creation consists of a cup body, a cup chamber set in the cup body to hold blood, and a cup mouth set on the top side end face of the cup body, which is used to connect the space of the cup chamber and the external space of the cup body, and make the top side end face and an imaginary datum plane separated by an angle.本創作所提供之月經杯乃係包含有一杯身,一設於該杯身中且用以承裝經血之杯室,一設於該杯身之一頂側端面上之杯口,係用以連通該杯室空間與該杯身之外部空間,並使該頂側端面與一假想之基準平面間相隔有一角度。