Advertising is an integral part of human life because through it we get information about the products and services that occupy our attention and arouse the desire and need for a new product. The aim of this paper is to explain what the health system is and to show the relationship with advertising, respectively to bring closer medical facilities and services that they provide to end users through advertising the above mentioned. The main purpose of advertising can be informative, or rather creating awareness of the existence of a product or service. Nowadays, ads and commercials are all intrusive and more creative, and consequently with it also the costs of advertising are rising. Trough the existence of various forms of advertising, the Advertisers can easier reach the target audience, which improves the actual sale of products or services. The main goal of advertising is to familiarize the public with the features and benefits of the products and efforts to achieve acceptance. Advertising is an integral part of each company, including the health institutions. Medical institutions perform activities which are aimed to take care of the individual and the society. The Ministry of Health has the role of a manager for the health care system. The standard of health care in Croatia generally is satisfaying, although there are differences in the quality of health services between major cities and remote edge locations. Lately, there has been an increasing need for advertising health care products and services. Trough market orientation, the health care system is increasingly progressing more and more, and therefor are growing the market needs for health care products and services.