The job of an interior designer is to make the environmental design meet the practical and aesthetic needs, and improve the quality of life of the residents. The primary task is to communicate with customers to understand their preferences and living habits. At the same time, they must also take into account the characteristics of the unit and be familiar with building regulations. In addition to drawing design drawings, he is also responsible for communicating with the decorator and on-site supervision to ensure that the project is realized according to the plan. In addition, they will also choose suitable furniture with customers, which can be said to be the mastermind of the entire home design process. An interior decoration company must have a minor works license and a license with its relevant skills. After understanding the customer’s needs, it is necessary to evaluate the cost and time required for the project, and complete the project according to the requirements.