The lifespan of hamsters is generally 2-3 years. Different species of hamsters have different lifespans. For example, the lifespan of dwarf hamsters is about 1.5 years, and the lifespan of black-bellied hamsters is generally 8 years. Factors that affect a hamster's lifespan include environment, injuries, diet, etc. If you want to extend its lifespan, you need to pay attention to the following points:

1. Injuries and injuries: Injury or illness may reduce the lifespan of a hamster. , so if the Japanese hamster is injured or sick, the owner should take medication and seek medical treatment in time.

2. Diet: In terms of diet, fresh and nutritious food should be prepared for the Japanese hamster, and it should be as nutritious as possible. Feed hamsters with balanced and professional hamster food. Generally, owners should check the food every 24 hours. If the hamsters have not finished eating, they must prepare new food for them.

3. Environment: No matter what kind of pet they are, a comfortable and hygienic environment can make them healthier. Healthy hamsters will naturally live longer.

4. Hamsters are already in middle-aged and old age after one year of birth, so they must pay special attention to their diet, clean and replace sawdust frequently to prevent bacterial infection.