Observation carrier for microscope

A observation carrier for a microscope, comprising:

• a bottom base comprising at least one first positioning portion;
• a lower cover comprising at least one second positioning portion and at least one third positioning portion, wherein the lower cover is detachably disposed on the bottom base and is positioned with the at least one first positioning portion through the at least one second positioning portion;
• an upper cover comprising at least one fourth positioning portion, wherein the upper cover is detachably disposed on the bottom base such that the lower cover is located between the bottom base and the upper cover, the upper cover is positioned with the at least one third positioning portion through the at least one fourth positioning portion, an observation region is formed between the upper cover and the lower cover, and the observation region is adapted to carry a sample;
• and
• a rotation cover detachably disposed on the bottom base to limit the upper cover and the lower cover on the bottom base, wherein the rotation cover is adapted to rotate relative to the bottom base to be locked by the bottom base or to be released by the bottom base.