China is the world’s largest producer and consumer of aquatic products. With the rapid economic development of our country and the great improvement of people’s living standards, people have put forward higher requirements for beautiful water ecological environments and high-quality aquaculture products, and promoting aquaculture green development has become an important initiative to promote high-quality sustainable development of aquaculture. Therefore, the assessment and analysis of the current green development level of the aquaculture industry have important practical significance for comprehensively grasping the current green development status of the aquaculture industry in China, purposefully breaking the development bottleneck, and promoting green and sustainable development of the aquaculture industry. This paper obtains comprehensive evaluation results of the green development of aquaculture in China from 2012 to 2021 by constructing a green development index system of aquaculture and applying the entropy method. The results show that the green development level of aquaculture in China has a fluctuating upward trend, with a good development momentum. The production and living standards of fishermen are important aspects that affect its development. In order to further promote the green development of aquaculture in China, countermeasures and suggestions are put forward from the following aspects: improving the green subsidy policy, improving the level of supervision and service, strengthening scientific and technological innovation and the transformation of scientific and technological achievements, and making full use of the unique advantages according to local conditions.

On-the-job training is the main form of human capital investment after formal school education, and it is of vital importance to the development of corporations and employees. Through studying on the status quo of on-the-job training in corporations in China, this paper build dynamic game model and analyze the process and possible results of the game. Advices on how to improve the effect of on-the-job training are given at the last part. Key words human capital investment on-the-job training game theory