External preparation of snake slough composition soaking solution with effects of relieving itching and sterilizing and preparation method of external preparation

The invention discloses an external preparation of a snake slough composition soaking solution with effects of relieving itching and sterilizing. The external preparation comprises 30-60 parts of snake slough, 10-20 parts of fructus cnidii, 10-20 parts of radix sophorae flavescentis, 10-20 parts of hydnocarpus anthelmintica, 10-15 parts of five-leaved chaste tree, 20-30 parts of hempleaf negundo chastetree leaf and 1000-1500 parts of ethanol. The invention also provides a method for preparing the external preparation of the snake slough composition soaking solution with effects of relieving itching and sterilizing. The external preparation has good effects of relieving itching and reducing swelling, diminishing inflammation and inhibiting bacteria, removing odor and the like, is safe and effective and does not have any side effect. Moreover, the production process is simple, and the quality indexes are easily controllable.