This utility model relates to the field of cervical pillow technology, specifically a modular
mugwort cervical pillow with replaceable cylindrical filling. It includes a replacement mechanism with a support mechanism inside, the top of which is installed at the bottom of the replacement mechanism. The replacement mechanism includes a neck pillow body, a
headrest cover on the front, a top pad inside the
headrest cover, and multiple replacement columns inserted inside the top pad. A breathable mesh is fixedly connected to the top of the top pad, and the tops of the multiple replacement columns are all in contact with the same breathable mesh. This modular
mugwort cervical pillow with replaceable cylindrical filling uses flexible cylinders filled with different types and proportions of herbal materials. By inserting multiple replacement columns, the filling can be replaced and adjusted, allowing different users to freely adjust the filling and change the height by adjusting the support pad according to the user's needs.