1,4,5,6-Tetrahydroxy-7-(3-methylbut-2-enyl)xanthone is a nature product that could be isolated from the stem barks of Garcinia xanthochymus. 1,4,5,6-Tetrahydroxy-7-(3-methylbut-2-enyl)xanthone has antiproliferative active. 1,4,5,6-Tetrahydroxy-7-(3-methylbut-2-enyl)xanthone can be used in research of cancer[1].