The present invention relates to a self-tumbling device, and more particularly, to a self-tumbling device that includes a one-way valve that is a magnetic body that is formed in a closed structure in which a lower portion in contact with a body part is opened, a through hole is formed in the other side, A vacuum tube; A first tube coupled to the other side of the vacuum tube and having a magnetic plate for magnetically opening the one-way valve on the upper side, a second tube extending from the first tube, and a second tube connected to the first tube An inner tube extending through the second tube to the end of the second tube; And a negative pressure generator which is connected to one end of the inner tube and moves the air in the other direction, the negative pressure generator causing the inner air to flow out through the one way valve in a state where one end of the vacuum tube is in contact with the body part; . With such a configuration, a vacuum tube having a one-way valve that is opened in one direction by magnetic force and air pressure is provided, and a connector having a single plate and a negative pressure generator connected to each other and a magnetic plate coupled to the upper plate is provided. It is possible not only to apply a tongue to the site, but also to obtain an effect that the tongue can be easily removed by magnetism.
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