The utility model relates to a colloidal magnetic stick, which comprises a colloid, a magnet and a thin film.The colloid has a corresponding first surface and a second surface, the first surface has a hole, and the colloid contains negative ions, which can continuously disperse negative ions in a certain period of time.The magnet is located in the hole, and the magnetic force of the magnet can penetrate the first surface and the second surface.The film is attached to the first surface so that the first surface is not sticky.With the structure, the magnetic force of the magnet is extended to a distance inside the object by sticking the colloid to the surface of the object, so as to achieve the effect of treatment and health care.When the gel loses its viscosity, it can be reused by cleaning with water.一種膠體磁力貼，包括：一膠體、一磁石以及一薄膜。該膠體具有相對應的一第一表面以及一第二表面，該第一表面上具有一孔洞，且該膠體含有負離子，可以於一定時間內持續發散負離子。該磁石位於該孔洞內，該磁石之磁力可穿透過該第一表面及該第二表面。該薄膜貼附於該第一表面，使該第一表面不具有黏性。藉由上述結構，藉由將膠體黏貼於一物體表面上，使該磁石之磁力延伸至該物體內部一距離，達到治療保健的作用。且當該膠體失去黏性後，可透過以清水清洗即可恢復黏性重複使用。
