There are many types of dermatitis, including allergic dermatitis, contact dermatitis, atopic dermatitis, neurodermatitis, etc. The herbs used for treatment are different. For example, some patients belong to the liver and gallbladder damp-heat type, so they need to take herbs to clear damp-heat and clear the liver and gallbladder accordingly. Herbs such as gentian herb, scutellaria, scutellaria, gardenia, zelenium, half-branch lotus, etc. are available, as well as herbal medicines such as gentian diarrhea of the liver pill, si miao pill, etc. Some patients are suffering from spleen deficiency, dampness and heat or spleen deficiency with dampness, so they need to strengthen the spleen and remove dampness. The specific medication should be combined with clinical practice, and should be taken according to the doctor’s instructions. Please take the medication according to the doctor’s advice.