Mobile Technologies, Applications and Software Design Blood Value Service Platform by Siyang Xu When people have surgery in the hospital, the doctor need a lot of blood. Faced with some special patients, you will find that the inventory is insufficient. You will waste a lot of time in finding a matching blood. This wasted time will miss the best treatment time for this patient. The supporter call on those healthy people to donate blood through legal channels. Every one want to build a qualified service platform. Allow fast lanes between hospitals. some people can help those who need help. At the same time, person can reduce many illegal activities such as buying and selling blood.