Carrier device and carrier kit

A carrier kit, comprising:

• a specimen carrier having two observation grooves respectively formed by being recessed on two opposite sides thereof and a containing channel that is formed therein and is configured to receive a specimen, each of the two observation grooves being configured to expose a part of the containing channel;
• and
• a carrier device being configured to be fixedly disposed on a specimen holder of an electron microscope equipment and being configured to carry the specimen carrier, the carrier device including:
• a main body having a containing groove recessed on a side thereof and an observation port that is in spatial communication with the containing groove, wherein the containing groove is configured to receive the specimen carrier, and wherein when the specimen carrier is disposed in the containing groove, one of the observation grooves is exposed from the main body through the observation port;
• and
• at least one limiting element disposed on the main body, wherein the at least one limiting element is configured to limit a range of movement of the specimen carrier disposed in the containing groove relative to the main body.