To provide a bobbin accommodating thread winding device in which bobbin can be installed in accommodation in the body of the thread winding device and the device and associate bobbin can be stored and put in service in the condition that they are aligned.

A body 2 of a thread winding device 1 has a hole 3 for accommodation of bobbin and is equipped with a bobbin 4 to be installed in the hole 3 and a cover 4 to prevent the accommodated bobbin 4 from falling out wherein the hole 3 is formed as penetrating circularly some greater than the contour of the bobbin 4 in such a way as positioned concentrically with the center of the body 2, and the depth should be as large as admitting installation of two bobbins laid in line.