First, it is important that you include the prompt in your post so that we can get a better understanding about what it really requires from you. Second, include the purpose of your writing, e.g. IELTS, TOEFL in the title itself that helps you earn more feedbacks,
Advertisement plays a significant role in the business.The success of business depends on its advertisement to attract millions of customers from various part of the world.Some people believe that the high sales of popular consumer goods reflect power of advertising and not the real needs of society while other disagree.In my view, advertisement doesn't provide the information on the most important things which we actually need for several reasons.
Your intro seems to follow the right structure. However, your thesis statement needs improvement;
In my view, advertisement doesn't provide the information on the most important things which we actually need for
several reasons.making a buying decision.