Parallelly-connectable storage rack

A parallelly-connectable storage comprising:

• a plurality of bamboo-joint rods, which are vertically arranged, wherein each of the plurality of bamboo-joint rods comprises a plurality of installation positions in its length direction;
• a clip piece arranged at each installation position of the plurality of installation positions of each bamboo-joint rod of the plurality of bamboo-joint rods;
• a main tier-panel, wherein each of four corners of the main tier-panel respectively comprises a tapered casing that is configured to engage with the clip piece, and each of two end faces of the main tier-panel respectively comprises two hook holes;
• and
• a first accessory tier-panel, wherein each of two corners of one end of the first accessory tier-panel comprises a tapered casing that is configured to engage with the clip piece, wherein the one end of the first accessory tier-panel comprises two hook holes along with the tapered casing of the first accessory tier-panel, and the other end of the first accessory tier-panel comprises two hooks, which are configured to be inserted into the hook holes on the main tier-panel or a second accessory tier-panel that is identical to the first accessory tier-panel located at a same height with the first accessory-panel.