With the frequent alternation of warm and cold air in early spring, the body’s resistance level tends to drop resulting in a high incidence of allergic diseases. Multiple factors such as under-dressing and exposure to allergens can lead to an increase in allergy sufferers in spring. Experts say that the spring temperature is high and low, sebum secretion is sometimes more and sometimes less, skin moisture evaporation accelerates, further stimulating the cells of the skin epidermis, and pollen, dust and other substances in the air easily cause skin allergies. Spring women replace skin care products with moisturizing and sunscreen functions, and some of the ingredients in skin care products such as preservatives, dyes, emulsifiers, and fragrances may be the skin becomes sensitive. Experts say that there are many factors that cause allergies, and many times the onset of the disease is related to mental state, such as mental tension, fear, depression, and anger, which may lead to frequent allergy attacks. Decreased sleep quality due to poor emotions, frequent late nights, excessive alcohol consumption and too much fatigue may also cause allergies. Doctors remind that avoiding allergies should start with changing bad habits, maintaining sufficient sleep, regular diet, strengthening one’s immunity, optimistic and cheerful situations, etc., can harmonize the spirit and strengthen the immunity of the body or regulate the immune status of the body, so that the condition becomes stable or heals faster.