Cold and flu lips dry cracked, usually, mainly because the body due to fever and lead to more water loss, should be timely supplemental water, and good local care. After a cold, some people will have fever and other situations, this time due to the body temperature is too high, will lead to more water evaporation. If you do not add water in time, the body will be dehydrated, and then manifested as dry and cracked lips. After the cold lips dry cracked, it is recommended to supplement water in a timely manner, such as drinking more water; or consume some water-rich foods, such as grapes, watermelon, etc.; you can also apply lip balm to avoid aggravation of cracked lips, play a role in protecting the local.