The influence industries of various industries in society can be divided into several categories and everyone knows about these levels of understanding.

1. Industrial characteristics A country, a society, can be divided into three types of industries in large aspects. The first industries include agriculture, forestry, animal husbandry and fisheries; the second industry is the industry and construction industry, and the industry includes the excavation industry, manufacturing, etc. The tertiary industry is the circulation and service industry. In the traditional agricultural society, the proportion of agricultural population is the largest; in the industrialized society, the number of occupations and the employment population in the industrial field increased significantly; in a society where science and technology are highly developed and economic development, the number of businesses in the tertiary industry and the employment population have increased significantly. 2. The industry characteristic industry is divided according to the different items or services produced by the production work unit. The same nature is classified. It can be said that the industry represents the nature of people's work units. 3. Job characteristics The so -called position is a collection of power and corresponding responsibilities. The function of unified power and responsibility to form positions, power and responsibilities are two basic elements of the positions of positions; the same power and consistent responsibilities are the same position. Each occupation in occupational classification contains the characteristics of the job. For example, the occupation of university teachers includes assistance, lecturers, associate professors, professors and other positions. Another example is that the civil servants of state organs include the level of science and technology, the office, the department (bureau) level, and the provincial (ministerial) level. 4. Regardless of the basis of group characteristics, the group has the characteristics of group groups. For example, scientific researchers include philosophy, sociology, economics, science, engineering, medicine, etc., and the consulting service business includes scientific and technological consultants, psychological counseling workers, and vocational counseling workers. 5. With the development and progress of the society, professional changes are rapidly changing. In addition to abandoning the old update, the content and methods of the same occupation have also changed. Therefore, the division of occupations has obvious times. From a large perspective, in the period when there are fewer occupations, occupations and industries are the same meaning, but now occupations and industries are two concepts that are both connected and different. Gate class. There are differences between regions, urban and rural, industries, or nations in the distribution of occupational types in space.