More than 3000 research papers studied by experts at home and abroad in the past 25 years have confirmed that "PS is an effective means to promote brain function and improve memory." PS can effectively improve cognitive ability and improve concentration; it can improve memory for patients with memory impairment ; Improve the behavior and cognition of patients with dysfunction; reduce the increase in cortisol (alcohol) content induced by exercise and reduce mental stress. Phosphatidylserine (PS) is a member of the phospholipid family. It is the only phospholipid that can regulate the functional state of key proteins in the cell membrane and is an indispensable substance for the human body. Therefore, as long as the normal consumption of phosphatidylserine dietary agents will not bring additional burden to the body, and it has passed the certification of many countries' drug administrations. In October 2006, PS passed the US FDA safety certification, the new resource food approved by the Chinese Ministry of Health in 2010 Announcement No. 15, the Japanese food and drug HBM passed, and the Korean Food and Drug Safety Agency (KFDA) recognized. The Korean Food and Drug Safety Agency (KFDA) allows the prominent labeling of PS-added products and promotes that related products have the function of "improving bad mood and enhancing memory".