The Red Cross is currently experiencing a shortage of blood reserves. I have used a lot of blood And the blood is reduced. The donors that have donated blood anywhere at any time. The lack of knowledge about the preparation for donated blood. Therefore, it has developed a website to promote blood donation. The Red Cross Phitsanulok The three helped spread news of donated blood. Platelets and demand Blood in To be used Including knowledge about blood donation through turbulent social network. Has experimented with those interested to donate blood. The result of using the website effectively.