The chemical industry includes industries engaged in engineering design, fine and daily chemical industry, energy and power, technology development, production technology management and scientific research in the departments of chemical industry, oil refining, metallurgy, energy, light industry, petrochemical industry, environment, medicine, environmental protection and military industry.

Food refers to all kinds of finished products and raw materials for human consumption or drinking, as well as articles that are both food and traditional Chinese medicine according to tradition, but does not include articles for the purpose of treatment. The food industry includes animal products industry, aquatic products industry, fermentation products industry, grain and oil products industry, fruit and vegetable industry, beverage industry, food additives industry, candy industry, health food and other food industries.

Agriculture is an industry that produces food and industrial raw materials through the cultivation of animals and plants. Agriculture belongs to the primary industry. It is a production department in which people use the living functions of animals and plants to transform the materials and energy of nature into products needed by human beings. At present, agriculture is divided into two categories: plant cultivation and animal feeding.

The pharmaceutical industry is an important part of China's national economy. It is an industry that combines traditional industry and modern industry, and integrates primary, secondary and tertiary industries. Its main categories include: chemical raw materials and preparations, traditional Chinese medicine, prepared pieces of traditional Chinese medicine, proprietary Chinese medicine, antibiotics, biological products, biochemical drugs, radioactive drugs, medical devices, sanitary materials, pharmaceutical machinery, pharmaceutical packaging materials and pharmaceutical commerce. The pharmaceutical industry plays a very important role in protecting and improving people's health, improving the quality of life, providing family planning, disaster relief and epidemic prevention, military supplies and war preparedness, and promoting economic development and social progress.

Biology, abbreviated as biology, is one of the six basic disciplines of natural science. Study the structure, function, occurrence and development of organisms. And the relationship between biology and the surrounding environment. Biology originated from natural science and entered the period of system biology through experimental biology and molecular biology.