The “New Guidelines of Asset Management” released in 2018 detailed the post-investment management of the asset management business and put forward many requirements，and also brought about many changes to the post-investment management of the trust business. This article firstly analyzes the key principles and objectives of the post-investment management of trust business，and secondly sorts out and interprets the content of post-investment management laid out in the “New Guidelines of Asset Management”，and lastly tries to forecast its impact on the trust business；Based on the aforementioned angles and current circumstances，after going through the key challenges facing the industry，we endeavor to come up with some constructive suggestions and analysis on future pathways for the post-investment management industry.