Facial dermatitis and sun erythema (sunburn), solar dermatitis, polymorphic sun rash, chronic actinic dermatitis or labyrinthitis, dermatomyositis, lupus erythematosus and other photosensitive skin diseases must be protected from the sun, and the following foods, drugs or items should be avoided as much as possible during the onset. 1, common photosensitive food: spinach, lettuce, Chrysanthemum, celery, parsley, horsetail, G cabbage, chard, baby bok choy, rape, snow lettuce, radish leaves, carrots, buckwheat, shiitake mushrooms, flat mushrooms, fungus, mango, pineapple, bergamot, sour orange, lemon, grapefruit, figs, nuts, mud snail, shrimp, crab, mussels, seafood, fennel, bitter greens, mustard, marjoram, saffron grass, purple clover, Common photosensitive herbal medicines: dahurica, dahurica dahurica, baixiangpi, cumin, etc.; 3. Common photosensitive drugs: sulfonamides, azole antifungals (ashwagandha, ketoconazole, itraconazole), quinolones (sparfloxacin, ofloxacin, ciprofloxacin, etc.), nonsteroidal anti-inflammatory drugs (aspirin, sodium salicylate, ibuprofen, diclofenac, etc.), thiazide diuretics (furosemide, (hydrochlorothiazide, dihydrochlorothiazide, aminopterin, etc.), tetracyclines (doxycycline, minocycline, metacycline, etc.), retinoids (isotretinoin, avelox, vincristine, retinoic acid ointment, tazarotene, adapalene, etc.), antihistamines (paracetamol, diphenhydramine, etc.), aminoglycosides (chloramphenicol, gentamicin, etc.), sulfonylurea hypoglycemic agents (glibenclamide tablets, glipizide, D 860, etc.), anti-tuberculosis drugs (isoniazid, pyrazinamide, etc.), sedative-hypnotics (chlorpromazine, promethazine, fenadine, etc.), anti-tumor drugs (vincristine, etc.), calcium channel antagonists (nifedipine), ACEI, amiodarone (mostly), quinidine, carbamazepine, topical hydroquinone cream, etc.; 4. exogenous photosensitizers: fragrances, preservatives, aniline and aniline derivatives in beauty cosmetics and detergents derivative dyes and sandalwood, verbena and other essential oil components, tar, asphalt, etc.