Nowadays, many companies or organisations use advertising to promote their products or services. Advertising has become inevitable part of people's lives. Some people believe that advertising has many positive effects on our lives, while other people argue it has many drawbacks for our daily life and can change our attitude toward some products. In this essay, I will examine both points of view in depth. In my point of view, advertising is neccessary for every company to introduce their new products or their services to people and it has many positive results for economic and financial income.