Accompanied with the awful situation of pollution in the whole world, the harm produced by automobile exhaust became more and more severe. People especially high risk population put focus on it .This research shows that automobile exhaust will badly restrain the immune system of SD rat. while Professor Xiong ,give out a proved recipe-WuLong prescription. The truth is that WuLong prescription can improve the damaged immune system to a normal level through nourishing lung qi and spleen qi, the eff...