Radioactive wrinkles in the corners of the mouth outward is caused by diseases such as stomatitis, stomatitis is triggered by cold and dry climate, which can make the lips and skin mucosa around the corners of the mouth dry and cracked, and the surrounding germs take advantage of the situation to cause infection and cause stomatitis; when the lips are dry and cracked, people often habitually use their tongues to lick, which is more likely to make the corners of the mouth dry and cracked; if the vitamin intake from the diet is reduced, resulting in a lack of B vitamins in the body. It can also lead to the occurrence of vitamin B deficiency stomatitis. What are the preventive measures for radioactive wrinkles in the corners of the mouth? The following are preventive measures for radioactive wrinkles outwardly from the corners of the mouth: 1. The disease is an infectious disease, so in nurseries, kindergartens and other collective places, children’s utensils such as towels, teacups, eating utensils should be strictly disinfected and used, not to be ignored. It is better to use their own fixed cups and towels, etc. 2, improve the children’s diet structure, or regularly add vitamin B1 and riboflavin, etc., to prevent the lack of vitamins and infections caused by Candida albicans and the development of the disease. 3.The distance between the pairs is too short, missing teeth, no teeth in the whole mouth, heavy wear, denture relationship is too low, etc. can make the mouth angle too tight and cause the disease. It should be corrected by restoration, while those who have the habit of sucking and biting fingers and pencils should also be corrected in time. Generally, vitamin B2 should be given, along with co-vitamin B, because when B2 is lacking, niacin and B6 are also often lacking. The corners of the mouth can be coated with nail violet to maintain cleanliness and hygiene. If the distance between the coaptation is too short, orthopedic repair is required.