There are lots of reason which give rise to eye pain, just like conjunctiva, infection, overworking and injury. To relieve the symptom, it is recommended that you can try the following ways. First, the most important is to keep enough sleep. Since in most cases, overworking is the most common causes, enough sleep is the most effective way to help it. Second, change unhealth dietary habit, like smoking, drinking, meanwhile, eat more vegetables and fruit, which play a important role in the prevention of eyes. In addtion, putting a warm compress on your eyes before sleep is also a simple and useful method. However, if the symptom still exist after you followed these measures, you'd better go to see a doctor to take a eye check as soon as possible.