The main reason why many babies have purple lower eyelids is due to the following reasons: 1. lack of sleep, some children have sleep disorders, too short sleep at night and not much sleep during the day, this situation will appear purple lower eyelids, give the child more sleep time, the lower eyelids purple will be significantly relieved and improved; 2. due to allergies, some children This is often due to the fact that children often have itchy eyes, rub their eyes with their hands, and have poor blood circulation, which leads to purple lower eyelids. If the child has a weak spleen and stomach, he or she can take some Chinese medicine to regulate the spleen and stomach, such as Ginseng and Atractylodes granules.