Conclusion Invigorating lung Decoction can increase the thymus index and spleen index of rats and enhance immune ability.

After making model, the model rats were randomly divided into model group, high, middle, low dose group of invigorating lung Decoction and Guilong Kechuanning group.

As the king of herb for periodic dip bathing — ginseng spring can supply vital force, invigorate spleen, benefit lung, generate saliva, stop cough, soothe nerves and benefits the kidney.