First-line hamsters have average personalities. Most first-line hamsters are smarter, but their tempers are much more irritable than third-line hamsters. They are easily angry and have a certain degree of aggression. They are easily injured when their owners are not familiar with them. But because it is very smart, it will improve significantly after getting familiar with the owner.

Precautions for raising first-line hamsters:

1. First-line hamsters are relatively small, so try not to knead them hard, as this may cause injury. When interacting with frontline hamsters, handle them gently. When you first raise a first-line hamster, do not be too close to it. First-line hamsters will be wary of strangers and may attack strangers.

2. Try not to mix first-line hamsters with other hamsters. It can easily come into contact with other hamsters and cause other hamsters to be injured.

3. First-line hamsters are very afraid of heat. Do not place them in direct sunlight. Keep them in a cool and ventilated place. When the temperature is too high, you can choose external intervention to cool down to prevent first-line hamsters from heatstroke.