If your skin is red and itchy in the spring, first consider sensitive skin, which tends to be unstable due to seasonal changes. Many people experience red itchy skin every spring and fall, which is called “facial reoccurrence dermatitis. The following are measures to prevent the redness and itchiness of the skin in spring. Preventive measures: 1, life conditioning: life should be regular, to maintain adequate sleep, happy mood, healthy eating habits. 2, diet allocation: eat more fruits and vegetables, especially calcium, vitamin C, B intake, less fish and shrimp, beef and mutton and other foods, avoid alcohol, seasonings, spicy food and coffee, strong tea, these foods are very strong stimulation of the skin. 3, skin protection: keep clean, wash your face with warm water; to keep the skin to absorb sufficient moisture, to avoid dry skin, use calming protection products every day. 4, away from stimulation: protect the skin from the stimulation of temperature and humidity changes, avoid the sun and air pollution, blocking the excessive stimulation of dust and sweat. In case of an attack, you should visit a hospital to rule out other diseases. In addition appropriate desensitization treatment and life conditioning can reduce the symptoms of the onset and avoid the onset.