What are the reasonable use scopes of patent right?

Patent right is a kind of property right, and it is also a prohibited right. As long as laws and regulations allow, the patentee can use it. The Patent Law stipulates that "no unit or individual may exploit its patent without the permission of the patentee, that is, it may not manufacture, use, promise to sell, sell or import its patented product for production and business purposes, or use its patented method and use, promise to sell, sell or import the product directly obtained according to the patented method", and the use of others is infringed only on the premise of "production and business purposes". Non-infringement in scientific research.