The job of a real estate appraiser was mainly to analyze and study the real estate market to determine the value of a certain real estate. They needed to understand the price trend of the real estate market, the relationship between supply and demand, policies and regulations, and other factors in order to determine the market value of the real estate. Real estate appraisers also need to survey and evaluate real estate to ensure the accuracy of its value. They needed to measure the land's area, height, location, soil texture, water source, and other physical attributes. They also needed to evaluate the real estate's area, structure, location, durability, renovation, and other attributes. Real estate appraisers also needed to communicate and coordinate with other departments to ensure the accuracy and fairness of the valuation. For example, they needed to communicate with the land management department, housing management department, banks, insurance companies and other relevant departments to understand the relevant laws and regulations of real estate, tax policies, etc. in order to determine its value. The job of a real estate appraiser involved all aspects of the real estate market and required a solid professional knowledge and skills, as well as a keen insight and judgment of market trends.