Important disadvantages of advertising are as follows. The first, adds to cost. Is an organisation has to spend large amount on advertising. It increases the cost of the products. Next, advertisement undermines social values because advertisement is a sort of day-dreaming for the people. These days it is taking the people away from reality and into the realm of artificiality so advertisement undermines social values.. Through its medium people get information about new products. And Finally, Some Advertisement is in Bad Taste because many times, foul language and objectionable pictures are used in advertising