More and more people like to keep pets at home. Children, especially, are more likely to keep some pets as their friends. Besides, adults gradually tend to keep pets because of the good mood that pets bring to them.However, keeping a pet also has its disadvantages. Some pets are noisy, which can disturb neighbors. In addition, pet owners need to clean up after their pets, which can be time-consuming and unpleasant. On the one hand, pets bring people a lot of happiness. For children, they can learn how to get along with different living creatures and appreciate life. For adults, they can reduce their loneliness and stress levels because pets usually make people feel safe and full of love. Whats more, pet owners can also get some exercise from walking and playing with their pets, which can improve their physical health in some degree. On the other hand, pet owners also need to take good care of their pets. They should ensure their pets have adequate food and clean water everyday. Moreover, regular veterinary visits and proper vaccinations are obligatory for the pets healthy living. Pet owners should also obey local laws when they take their pets outside, such as picking up pet's poo. Finally, pet ownership can bring a lot of joy to people. However, it is important for people to consider the pros and cons before they make a decision. If they are ready to do the work and to make sure their pet will live a happy, healthy and safe life, then pet ownership can be a great source of joy and companionship.