Indium selenide and graphene used for heaters are better than graphene. Graphene radiates evenly, which makes people feel more comfortable. Graphene is considered as a revolutionary super material in the future. It is the thinnest and hardest new nano-material with the best thermal conductivity. Its thermal conductivity is more than twice that of diamond, its mechanical strength is 200 times stronger than that of steel, and its electrical conductivity is stronger than that of silver and copper, so it is called the king of new materials. It has a wide application prospect in smart wear, medical health, aerospace, military industry, biomedicine, environmental protection and other industrial fields. Graphene not only has a good heat transfer effect, but also can generate a large number of 8- 16 micron far-infrared waves, and the range of far-infrared light waves most easily absorbed by human body is 8- 14 micron. It is a new nano-material with the thinnest, hardest and best thermal and electrical conductivity. Its thermal conductivity is more than twice that of diamond, and its mechanical strength is 200 times stronger than that of silver and steel. It has a wide application prospect in smart wear, medical health, aerospace, military industry, biomedicine, environmental protection and other industrial fields.