Receiving box

A receiving box, comprising:

• a cover, comprising a first slit, a first connection part and a top surface, the first slit and the first connection part respectively disposed on opposite sides of the top surface;
• and
• a base, comprising a first convex portion and a second convex portion, the first convex portion disposed corresponding to the first slit, the second convex portion disposed corresponding to the first connection part, the first convex portion comprising two first bending parts and a first link part, wherein the two first bending parts are respectively located on two opposite sides of the first link part, the second convex portion is inserted into the first connection part, the first convex portion is inserted into the first slit, the two first bending parts are bent towards the cover and contact the top surface, and the first link part is not bent when the cover combines with the base;
• wherein the second convex portion comprises a second slit, and the first connection part comprises a third convex portion, wherein the third convex portion inserts into the second slit when the cover combines with the base.