The treatment of red eye does not advocate ice packs, much less hot packs. The treatment of red eye advocates cleaning the eye, that is, flushing the conjunctival sac, which is the most effective and fastest. This is because it can flush out the germs and secretions inside the eye, which can achieve fast treatment purpose. Patients with red eyes may have swollen eyes, so the general public may think of ice, but ice does not play a role in reducing the inflammatory swelling. If the local heat is applied, the temperature rises, causing bacteria to multiply more easily. Therefore, for patients with pink eye, it is not advisable to apply ice, let alone hot compresses, but only with local flushing of the eyes to fully flush out the secretions and germs, which is the most effective.