PURPOSE: A decorative ballpoint pen is provided to improve a decorative function and to arouse user's curiosity. CONSTITUTION: A decorative ballpoint pen(100) comprises a ballpoint pen ball housing(120), and a cap(130). The ballpoint pen ball housing has a first housing(120a) and a second housing(120b). The first housing has a groove inside and a male screw(122) at the outer circumference of the first housing. The front end of the ballpoint ball is inserted into the first housing. The second housing has a groove inside and is coupled to the back side of the first housing. The back end portion of the ballpoint pen ball is inserted into the second housing. the ballpoint pen also has a grip which is formed of silicon.
