PROBLEM TO BE SOLVED: To provide a penis enlargement exercising system.SOLUTION: A penis enlargement exercising system comprises: a hard base frame 7; and at least one slide part 3, 8. The slide part can slide on the base frame back and forth, and the base frame and the slide part surround the penis. The slide part and the base frame are configured so that, the surrounding having size similar to size of a penis cross section is surrounded by a closed circle, an inner wall of the closed circle has no gap in a circumferential direction, during use, the penis is inserted into the circle, and the slide part is moved in an axial direction of the penis.SELECTED DRAWING: Figure 1
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