Anyone engaged in real estate sales belongs to a real estate agent. However, due to the characteristics of real estate sales in China, now we generally refer to those engaged in the sale of first-hand houses as real estate agents or property consultants, and those engaged in second-hand housing transactions as real estate agents. Real estate agent is a part of real estate agency. Real estate agency mainly consists of three parts: real estate consultation, real estate evaluation and real estate broker. In daily life, real estate agents are often called "housing agents" or "second-hand housing agents".