Pruritus in the elderly is a skin disease with abnormal skin sensation without primary skin damage, but with pruritus as the main symptom. It is characterized by intense itching of the skin and scratching that causes scratches, blood crusts, skin hypertrophy, mossy lesions and other rashes. It is the most common skin disease in the elderly. According to Chinese medicine, the internal causes of this disease are mostly related to qi and blood, and the external causes are often related to wind evils. It is caused by wind-heat, wind-cold or damp-heat evil in the skin, which cannot be evacuated; or because wind evil stays in the body for a long time, turning fire into dryness, resulting in the withering of fluid and blood, which cannot moisten the skin. Chinese medicine to prevent and treat itchy skin in the elderly has always received the attention of doctors and patients. The actual fact is, the elderly skin itch need to do what prevention and health care? 1, keep a relaxed mood. Chinese medicine believes that “the pain and itch sores, all belong to the heart.” Emotional internal injury (joy, anger, worry, thought, sadness, fear, shock too much), can be turned into fire, blood heat within the wind, or liver stagnation, blood stasis, the skin can not moisten, lose its nourishment, resulting in itchy skin. So regulate the mood, keep emotional stability, open-minded and cheerful, avoid depression, worry and anxiety, sentimentality, you can make the internal organs of the qi flow smoothly, Rong blood run smoothly, the skin is moistened, the itchy evidence to reduce. 2, adapt to environmental changes. Pruritus occurs, the external cause of the wind, cold, wet and hot evil attack invasion. In autumn and winter, the body’s Yang Qi tends to be inside, the loss of the outer guard, wind and cold easy to attack. In spring and summer, the human body tends to be outside the yang, the coup open, wind-damp heat multiplied by more. Wind and cold or wind-damp heat guest in the coup, the meridian blocked, the meridian does not declare, and the wind and evil in the skin, itching more than. Therefore, attention should be paid to the impact of climate, especially the cold wind in winter, the stimulation of sweat in the hot summer season, should be timely adjustment of clothing to reduce the climate environment on the skin stimulation. The indoor temperature and relative humidity of the room for the elderly should be in a certain range, the indoor temperature in winter should be 16-20 degrees Celsius, relative humidity of 30% to 40% is appropriate. If the relative humidity is lower than 20%, it should be adjusted. 3, to develop good habits. The elderly skin sensory perception and skin regulation function have different degrees of defects, so the external bad stimulation, such as bedding too warm, contact with fur, down, or scratching, friction and hot water scalding, etc. is also one of the main causes of pruritus in the elderly, in addition, lack of sleep, stay up late, will also make the skin does not get sufficient rest, causing skin regulation function disorders. Therefore, life should pay attention to skin hygiene, avoid the use of alkaline cleaning soap (liquid), choose neutral detergent; avoid too diligent bathing, especially in winter should reduce the number of baths, to 1 to 2 times a week is appropriate, and should not use too hot water washing hot, try to restrain themselves, resist the temptation to scratch. Anal itching and vulvar itching, after the stool warm water external washing, should not be washed with soap. The underwear is made of pure cotton, and should be loose and breathable. Do not wear rubber, wool and nylon socks. Sleep at the right time, regular life, constipation, appropriate laxatives. 4, pay attention to diet regimen. The elderly are old and decrepit, liver and kidney deficiencies, Yin and blood to fill the body and skin, Yin deficiency and wind can also cause itching. Or because of the deficiency of qi and blood, the skin does not warm and moisten, the skin is dry, blood dry wind is itchy. There are also due to the consumption of spicy and hot, fishy and windy products, resulting in dampness and heat from within, causing itching. Therefore, the elderly diet diet should be light and easy to digest, to eat more food rich in vitamin A, such as lean meat, animal liver, spinach and soybean products, eat more vegetables, fruits, keep the bowels open. Avoid eating shrimp and spicy stimulating food, do not drink strong tea, coffee, quit smoking and alcohol, etc. 5, keep the skin oily. The elderly sebaceous gland atrophy and sebaceous glands, sweat gland secretion is reduced, resulting in dry skin, poor local blood circulation, which is the Chinese medicine that the liver and kidney deficiency, blood deficiency, skin loss of nourishment, so the appropriate choice of skin care products, especially after bathing, local skin topical application of skin care products with nourishing and nutritious effect is one of the measures to prevent pruritus in the elderly, you can also use herbal baths with blood nourishing and moisturizing effect to dispel wind The skin can also be bathed with herbs that have the effect of nourishing the blood and moisturizing the skin to dispel wind, such as 60g of black beans, 30g of Bai He, 15g of Da Hu Ma, 15g of Tao Ren, 15g of Safflower, 15g of Licorice, 30g of Bai Xian Pi, 30g of Angelica Sinensis, decocted in water and washed externally. 6, early treatment of the original disease. Itchy skin in the elderly can be a manifestation of certain visceral diseases, so the treatment of primary diseases is also one of the important prevention and treatment measures for this disease, generally common visceral diseases are endocrine and metabolic diseases (diabetes, hypothyroidism or hyperthyroidism), hepatobiliary diseases, kidney diseases (chronic nephritis, renal failure), lymphatic blood system diseases, neurological and neuropsychiatric diseases (neurasthenia, cerebral (arteriosclerosis, etc.), so early detection and treatment of these diseases is also an important measure to prevent and treat itchy skin.