The invention discloses a multi-purpose rapid conversion steaming pot and a steaming pot system. The steaming pot comprises a pot body and a pot lid, the upper side of the pot body is covered with the pot lid; a handle is arranged on the middle part of the pot lid; cone-shape air nozzles are arranged on the inner side of the pot body, a steam stream guiding cover which is upside down covered is arranged on the outlet place of the air nozzles, a splash-proof disc is arranged on the upper part of the steam stream guiding cover, an annular closing-in structure is arranged on the outlet place of the bottom of the steam stream guiding cover, the annular closing-in structure is fitted with the peripheral region of the air nozzles, multiple air channels which slope towards the same direction and are used for transporting steam are arranged on the inner ring of the annular closing-in structure; and an circular bottom peripheral edge is arranged on the bottom of the pot body. The steaming pot can be applied for multiple purposes, the steaming pot can be used both as a traditional steaming pot and as a hot pot, and the processing technic of the steam stream guiding cover is optimized, the processing difficulty is lowered, the processing cost is decreased, and the processing efficiency is increased.