Reptile terrarium and stackable reptile terrarium

A reptile terrarium, comprising:

• a base (100), having an open top, wherein an inner side wall of the base (100) is provided as an inclined surface inclined toward the inside of the base (100);
• a support column (200), detachably assembled on an upper peripheral side of the base (100), wherein a plurality of the support columns (200) are provided, and first clamping grooves (210) are provided at two sides of each support column (200);
• a side plate (400), detachably assembled between two adjacent support columns (200), wherein two sides of the side plate (400) are placed in corresponding first clamping grooves (210), and a plurality of the side plates (400) are provided;
• a top plate (300), detachably assembled at one end of the support column (200) far away from the base (100), wherein the top plate (300) is provided with ventilation holes (321);
• and
• a door plate (500), positioned between two adjacent support columns (200), movably assembled between the top plate (300) and/or the base (100), and used to open or close the reptile terrarium.