Loss of business means the company's past or related transactions or events that are taking place leading to asset value of an asset has undergone a substantial loss of all or part of, or result in the company's economic interests without consideration outflow. Among them, the value of assets, including the use of value transfer value, net realizable value and so on. Operating losses occur, it should be verified on the basis of the investigation, based on conclusive, legal, valid evidence, determined by assessing the amount of operating losses and causes of operating losses. Business damage assessment evaluation of intangible assets belong to a class. Suppose a company's normal operations, its profitability is sustainable and predictable. However, once this business is affected by external factors rather not work at a profit or even a loss, it will generate operating losses. Resulting in loss of business there are many factors, operating loss assessment in common, such as corporate relocation damage assessment. Damage assessment in business relocation damage assessment is divided into three areas: real estate damage assessment (refer to the relocation compensation can not Suiqian valuation of property); discontinued damage assessment (refer to valuation losses due to relocation discontinued due to the enterprise); Relocation Fee assessment (refer to all reasonable relocation expenses Suiqian property). Plant relocation, involving the human, financial, material, production, supply, marketing, affecting all aspects of business, therefore, for companies to assess this loss is relatively complex. This is not only related to the relocation of the government needs the plant, but also as the parties involved in the enterprise, and therefore, they can not take it seriously. For plant relocation impact on the business or the business aspects of the production losses caused by, you can examine the three phases, namely: the preparation phase after relocation, removal and relocation of the stage to resume normal production. The loss of these three stages of a curve can be expressed, that gradually increased from zero (relocation preparation stage), up to a maximum value (relocation phase), and then gradually decrease from the maximum to zero (after the relocation of production recovery phase). Ideas for assessment: from the preparation stage to move within a recovery after the relocation of production to production levels not move during this period of time, assuming that the enterprise did not happen, and the relocation of continuing operations, so during this time the normal operating income minus corporate relocation period The actual income to estimate the operating losses. ????