The lifespan of a Chihuahua is generally 13 to 14 years, but the lifespan of a Chihuahua is still related to the way the owner raises it and the living environment. If the owner takes good care of it, the dog may live to be sixteen or seventeen years old. It is recommended that after the dog is eight years old, regular physical examinations should be performed every year to check whether the dog's liver and kidney functions are abnormal, whether there are tumors in the abdominal cavity, whether the heart function is good, and whether there are any abnormalities in the solid organs.

How to raise Chihuahuas scientifically:

1. Chihuahuas have a small food intake, but a relatively large amount of exercise. They can be fed in small amounts, multiple times, and at regular intervals.

2. Chihuahua’s cold resistance is relatively weak, so you should pay attention to keeping warm, and you can take it out to bask in the sun more often.

3. Take a bath regularly, clean your ears regularly, and brush your teeth regularly.