Ultra-light clay packaging box

The utility model relates to an ultralight clay packaging box which comprises a bottom box and a box cover connected with the bottom box. The bottom box comprises a main box part and a box neck part connected with the main box part, and a clamping groove is formed in the outer side of the box neck part. The box cover comprises a cover plate part and a lower surrounding plate part connected with the cover plate part, the cover plate part is provided with a lower protruding block, a sealing groove is formed between the lower protruding block and the lower surrounding plate part, the end of the box neck part is inserted into the sealing groove, and a clamping ring is arranged on the inner side of the lower surrounding plate part and clamped into the clamping groove. Due to the fact that the end of the box neck part is inserted into the sealing groove, the box cover is provided with the clamping ring, the bottom box is provided with the clamping groove, and the clamping ring is clamped into the clamping groove, t