The reasons why cats open their mouths and stick out their tongues: 1. It may be due to the hot environment. 2. It may be due to nervousness. 3. It may be due to heart disease, lung disease and other diseases.

What to do if a cat opens its mouth and sticks out its tongue:

1. If the ambient temperature exceeds 30 degrees Celsius, the cat will easily stick out its tongue. It is recommended to do a good job in heatstroke prevention and cooling. .

2. If a cat encounters other animals, it will also behave like this due to nervousness, and some cats will also perform arching movements. It is recommended that cat owners soothe their cats’ emotions by gently stroking their cats’ backs.

3. If it is caused by a disease, you need to seek medical treatment in time.