To make subordinate legislation scientific in China is the objective requirement to implement the scientific development deeply, and is an important prerequisite for the rule of law. There are so many problems in subordinate legislation in China, such as the mind of subordinate legislation, the content of subordinate legislation, the technology of subordinate legislation, and so on. To strengthen subordinate legislation and improve the quality of subordinate legislation, we must establish people-oriented mind, improve the content of legislation, make legislative expert proof system sound, and establish the challenge syste of subordinate legislation.