Healthy skin requires a good state of mind, proper exercise, adequate sleep, balanced diet, proper facial skin care and medical aesthetics. A, eat more food beneficial to skin health: (1) tomatoes, kiwi, lemon: rich in vitamin C, inhibit the formation of melanin, prevent pigmentation, maintain fair skin, reduce freckles. In addition, tomatoes effective antioxidant, can improve the skin due to oxidation and the increase of yellow skin tone, for whitening skin tone is very helpful. (2) Meat skin: rich in collagen and elastin, can make cells become plump, reduce wrinkles and enhance skin elasticity. (3) Broccoli: strengthen the skin’s resistance to damage. Broccoli is rich in vitamin A, vitamin C and carotene, which can enhance the skin’s resistance to damage and also help maintain skin elasticity. (4) Honey: Keeps the skin rosy and glowing. Honey is known as nature’s most perfect nutritional food, containing a large number of easily absorbed amino acids, vitamins and sugars, comprehensive and rich nutrition, regular consumption can make the skin rosy and tender, lustrous. (5) meat skin: is rich in collagen and elastin food, reduce wrinkles, can enhance skin elasticity. (6) Salmon: prevent wrinkles from arising. Omega-3 fatty acids in salmon can eliminate bioactive substances that damage skin collagen and skin moisturizing factors, prevent wrinkles from arising and prevent skin from becoming rough. (7) kelp: keep the skin water and oil balance, kelp is a rich vitamin and mineral food alkaline, often eat can regulate the pH of the blood, to prevent excessive secretion of oil skin. (8) drink more water and green tea: tea mainly has tea polyphenols, theophylline, vitamin C and vitamin E, SOD (superoxide dismutation) and trace elements such as selenium, molybdenum, manganese, germanium; with anti-aging, whitening and anti-UV effects. Second, the daily care of the skin: skin science care four-step process 1, cleaning: cleanser adsorption, cleaning off dirt, cleanser at the same time take away some oil, water, skin dehydration, lack of oil 2, toning: toning – toner / moisturizer; exogenous supplement moisture, secondary clean skin; 3, skin care: moisturizing – moisturizing milk, cream; exogenous supplement oil, water, epidermal brick wall structure complete, normal skin barrier; 4, sun protection where moisturizing is the basis of dermatological treatment; moisturizing is the basis of anti-aging; whole layer moisturizing is also the basis of skin fitness. According to the type of skin to choose skin care products: 1, dry skin: deep moisturizing, moisturizing, sun protection; 2, oily skin: oil control, moisturizing, sun protection 3, combination skin: zoning care 4, neutral skin: moisturizing, moisturizing, sun protection Sensitive skin: prone to erythema, papules, capillary dilation; easily stimulated, dryness, heat, itching, tingling, tightness; intolerant to ordinary skin care products. Need medical + medical skin care products. Medical skin care products: Medical skin care products: are another new treatment tool for dermatologists, an important auxiliary or supplementary treatment after drug treatment; repair the barrier function of the skin and reduce disease recurrence. 2.Photorejuvenation: It can play a role in shrinking pores, improving fine wrinkles and texture of skin, restoring skin elasticity and luster, and balancing skin color; in addition, it can also treat some pigmented skin lesions, such as freckles, photoaging spots and skin capillary dilation, etc. Therefore, our healthy skin is not only free from skin diseases, but more importantly, it is delicate, rosy and lustrous, elastic, with balanced water and oil secretion, even skin tone, no obvious pigmentation, and not sensitive to external stimuli. Therefore, the responsibility and treatment philosophy of our modern dermatologists is not simply to cure diseases, but more importantly, to achieve cosmetic results, prevent diseases and guide patients to beauty.