Medicine for treating skin benign tumor and preparation method of medicine

The invention provides a medicine for treating skin benign tumor and a preparation method of the medicine, relating to the technical field of traditional Chinese medicines. The medicine for treating skin benign tumor is prepared from the following raw materials in parts by weight: 20-40 parts of oyster, 20-40 parts of semen coicis, 10-30 parts of poria cocos, 10-30 parts of fructus forsythiae, 10-30 parts of radix salviae miltiorrhizae, 10-20 parts of radix codonopsis, 10-20 parts of bighead atractylodes rhizome, 10-20 parts of rhizoma pinelliae preparata, 10-20 parts of seaweed, 10-20 parts of kelp, 10-20 parts of spica prunellae, 5-15 parts of pericarpium citri reticulatae, 5-15 parts of centipede, and 2-8 parts of licorice root. The medicine disclosed by the invention is high in safety and free of obvious toxic and side effects. The preparation method of the medicine for treating the skin benign tumor comprises the following steps: drying the raw materials, grinding the raw materials, and carrying out mixi