The main reason for pruritus is dry skin. The sebum secretion of the skin of middle-aged and elderly people is relatively less, and excessive scalding will lead to dry skin, thus triggering pruritus. Pay attention to skin moisturizing, avoid excessive washing, bathing water temperature does not need to be too high, and body temperature can be similar, winter cleaning 1-2 times a week, if the weather is hot in the summer, the need to pay attention to skin moisturizing after cleaning. In winter, even if you don’t take a bath, you need to use a mild, non-irritating moisturizing cream in the morning and evening, and if the skin is not obviously itchy, you can change to using it once a day. Middle-aged and elderly people also need to pay attention to checking tumor markers. Malignant tumors can also cause itching of the skin and can be screened.