Special types of eczema: ear eczema is dominated by oozing, crusting, and scaling. Breast eczema occurs mostly in women who are breastfeeding, and eczema-like carcinoma should be considered for repeated episodes of untreated nipple or areola eczema. Eczema occurring on the labia majora of women may appear as pigmented spots after the crusts and scales fall off later. However, the following diseases should be considered in the pigmented eczema of the labia majora: 1. neurodermatitis. 2. 2, vulvar leukoplakia (precancerous lesions). 3. Sclerosing atrophic lichen planus. The diagnosis of eczema of the scrotum is important: localized lichenoid skin lesions, deep furrows and pigmentation. The above symptoms should also be considered vitamin B2 deficiency that is riboflavin deficiency, but riboflavin deficiency should also appear tongue inflammation lipitis and other changes. The eczema of the extremities can appear both on the palms of the hands and on the faces of the hands, which show localized yellowing and hypertrophy of the skin. Coin-shaped eczema: is named after the shape, the size of 1-3cm, the acute phase of flushing, oozing obvious, chronic phase of skin hypertrophy, increased pigmentation. Calf eczema: Also known as varicose vein syndrome, it is a nutritional disorder due to varicose vein stasis, also known as bruising dermatitis in Chinese medicine, which later leads to chronic ulcers, called polyposis in Chinese medicine. There is another kind of eczema called sebaceous deficiency, which is dry and cracked, with “porcelain-like changes”, and it occurs in the elderly and in winter. In normal people, sebaceous glands secrete oil and sweat glands secrete sweat, which together form a lipid film that protects the skin. The Chinese medicine treatment nourishes the blood and activates the blood to improve the nutrient supply of sebum. It is not necessary for eczema to be dampness (typical), the formula such as angelica drink or dihuang drink: 25g of raw earth, 15g of rehmannia, 20g of heshouwu, 15g of xuan shen, 15g of angelica, 20g of tribulus terrestris, 15g of peony skin, 5g of safflower, 15g of white silkworm, 10g of raw licorice. Infectious eczema-like dermatitis (infectious) has a primary lesion, sinus tract or local skin sensitization by the secretions of infected skin The treatment is only necessary to treat the primary lesion.