The contributions of sulfur to the development of science and technology are enormous. It has brought people too much convenience in their daily life. Sulfur is always a controversial element. It has both advantages and disadvantages for people. Its advantages are the improvement that it brings to industry, agriculture and medical care or even a small thing that we need every day. The disadvantages are mainly polluted gas and some dangerous properties. But when comparing the advantages and disadvantages, the advantages can easily cover the disadvantages. Because if we did not have the use of sulfur, we would not develop so quickly in science and chemistry. Actually wasting sulfur gas is not a big problem. As industrial waste gas treatment technology becomes more efficient, people's environmental awareness becomes stronger and stronger. Respect for the environment cannot be ignored in industrial products. Today most of the wasted gas is well recycled. Chemical reactions will never end. The use and discovery of sulfur never will