Experts have confirmed that Ejiao is the first choice for tonic in autumn, so it is very important to keep Ejiao healthy in autumn. Because in autumn, the natural scene is precipitated by the maturity of all things, and the blood will begin to "harvest". At this time, we must pay attention to nourishing the body and saving energy for the arrival of winter. After beginning of autumn, people's qi and blood were collected in it. At this time, the external defense function is weaker than that in summer, but the absorption and transportation of qi and blood are stronger than that in summer. Therefore, it is easy to catch a cold after beginning of autumn, but it is not as easy as stomach upset in summer. At this time, eat some medicine for nourishing yin and moistening dryness, and food for nourishing yin and moistening lung. Dong 'e Ejiao can nourish blood and yin, moisten dryness and stop bleeding. Supplementing Dong 'e Ejiao in autumn can increase "fixed assets" to the body, make up for summer consumption, consolidate the body foundation and enhance immunity. Therefore, keeping Dong 'e Ejiao healthy in autumn is an essential tonic.