The basis for starting any business venture is a business idea. The business idea is thought that the entrepreneur is trying to implement in the market, but with prior fingering real opportunities in the market and the opening of "windows of opportunity" in the market. The Opportunity and business ideas are closely related and do not go one without the other. When analyzing new market entrepreneurs perceived gaps in the market, to help them fill in their products, following the economic, social, technical and technological, and political and legal trends, in order to more easily adapt to the current situation in the market and solving problems on the consumer market. To business idea successfully implemented entrepreneurs use special techniques for generating business ideas. For example, a better understanding of the consumer can determine the method of focus groups. Entrepreneurs searching the available information on the Internet and in the library in order to develop new ideas. Using the brainstorming technique increases the creativity of the small group in a way that allows for joint work in undisturbed environment. Other techniques that are useful in enhancing creative thinking are brainwriting, scamper method, the technique of horizontal thinking and techniques six hats Edward de Bono's. Some of the techniques are very structured, while others are designed in a simple way. The aim of this article is to describe the techniques of generating business ideas in order to increase interest in their use in order to increase the creativity and ability of seeing the usual things and facts in a different, creative way for people who participate in the creation of business ideas because every entrepreneur should know some of above techniques, in order to remove doubts when generating new business ideas. Keywords: Business Idea, Opportunity, Brainstorming, brainwriting, scamper, Trends in environment