CONCLUSION YAF has obvious effects of relievingasthma and the mechanism of its function is due to regulating the plasma PAF level.
结论本方有明显的平喘作用，其作用机制与其调节机体paf含量有关。
2
Method: the effective ingredients are identified by the easing cough experiment, removing phlegm experiment, relievingasthma experiment and anti-inflammation experiment.
方法：通过镇咳实验、祛痰实验、平喘实验和抗炎实验，来筛选止咳化痰的有效部位。
3
Objective: To observe the preventing and treating effect of traditional chinese medicine of right upbringing and asthmarelieving on asthmatic guinea pigs and explore its action mechanism.