On September 4, 2018, various county and district federations of industry and commerce, business associations, and executive committee enterprises organized blood donation activities for members. After receiving the notice, photosynthesis volunteers actively signed up to respond. During the process of telephone consultation and registration, almost every volunteer People will say, "I have always had a dream of donating blood, and I must catch up with this opportunity." It turns out that blood donation is part of the public welfare dream of many of us, but it has not been realized for various reasons. Because of this public welfare activity, the volunteers of Photosynthesis once again resonated - a dream of youth.