Psoriasis, also known as psoriasis, is usually not significantly affected by patients taking occasional, small amounts of ice-cold water. Try not to take too much to avoid aggravating the condition. The specific cause of psoriasis has not been fully elucidated, and it is considered to be related to the result of the interaction of abnormal factors such as environment, heredity and immune response. The lesions appear as well-defined erythematous spots, papules, and plaques covered with silvery-white scales accompanied by itching and other symptoms. In psoriasis with metabolic syndrome, a low-fat, light diet is recommended. If the skin lesions are significantly aggravated by the intake of a certain food, it is recommended to avoid eating it again afterwards. A small amount of ice-cold water can be taken if the condition is not aggravated. If a large amount of ice-cold water is taken for a long period of time, it may cause irritation to the body, and it is recommended not to consume it afterwards if the condition further worsens. The appearance of clearly defined red spots and papules with itching on the skin, it is recommended to go to the dermatology department of the hospital for consultation. After confirming the diagnosis of psoriasis, standardized treatment under the guidance of doctors.