Mild syndrome and severe syndrome should be discriminated from each other in the syndrome differentiation of chickenpox. Mild syndrome of chickenpox clinically manifests the symptoms of common cold such as low fever, skin itching, cough, nasal obstruction and running nose, sparse skin rashes with areolae around and lucid liquid inside. The recovery takes place after 1 to 2 batche(s) of the coexistence of maculopapules, pimples, herpeses and crusts in most cases.

Severe syndrome of chickenpox is marked by high fever without abatement, concurrent dysphoria and thirst, red face and lips, dense herpeses with turbid liquid and deep purple color. In severe cases, maculopapules, pimples, herpeses and crusts distribute in oralcavity, pudendal region and other parts of the body, often in 5 to 6 batches.