Provided herein is an easily removed menstrual cup which includes a main body in which an opening is formed at one side, a storage configured to accommodate menstrual blood therein is formed, and an air inlet is formed at an upper end; an air flow path formed between an outer wall and an inner wall of the main body and configured to connect the air inlet to the outside of the main body; and an air inflow controller installed on the air flow path and configured to control an inflow of external air into the air inlet through the air flow path.