Through the systematic review of relevant norms and practice status, it is found that China’s blue carbon has some problems, such as the absence of judicial application norms, unreasonable allocation of judicial power and administrative power, unclear standards of judicial initiative and restraint, and different ways of responsibility. It is necessary to summarize the surface phenomena and explore the deep logic of blue carbon governance under environmental justice, positively affirm the institutional innovation of blue carbon judicial localization, elevate the accumulated practical experience into a theoretical model, respond to blue carbon governance with environmental judicial activism, and ensure limited pre-trial activism, moderate trial activism and positive post-trial activism. In order to avoid the vitality of judicial experience of judicial reform is quietly erased, it is important to work with the international community to seek the path of ecological civilization with the blue carbon judicial initiative.