The eczema is a skin of skin disease with common inflammation, it is almost displayed in rash form, which is easy to leak out. It features the transition of disease and the trend of recurrence. Its access stage can be divided into the acute, sub-acute and chronic stage clinically. The symptom of the acute eczema is hot feeling and itching. After it lasts for a long time or is treated, the skin will become dry, form the scab or scale bits, and enter the sub-acute stage. The chronic eczema is caused by the acute, sub-acute stage which is not cured for a long time.