Pharmaceutical intermediates are some chemical raw materials or chemical products used in the process of pharmaceutical synthesis. This chemical product does not require a production license for medicines, and can be produced in ordinary chemical plants. As long as it reaches a certain level, it can be used for the synthesis of medicines. After more than 30 years of development, the chemical raw materials and intermediates required for Chinese pharmaceutical production can basically be matched, and only a small part needs to be imported. Due to China's abundant resources and low raw material prices, many intermediates have achieved a large number of exports