Diving ear pain can be avoided by doing puffing flat pressure, control the speed of diving, head and foot posture, control the depth of the dive and other ways to avoid ear pain.
1. puffing flat pressure: do puffing flat pressure during the dive, but pay attention to continue, not too long puffing, so as not to cause ear damage, if the dive does not do puffing action, may cause eardrum edema, congestion.
2. Control the speed of dive: dive too fast to do flat pressure, easy to cause ear pain, to control the speed of dive.
3. Head and foot posture: dive with head and foot posture dive, conducive to air from the nasal cavity through the eustachian tube, to the middle ear, balanced ear pressure to avoid ear pain.
4. Control the depth of diving: the deeper the dive, the more ear pain, control the depth of the dive, to maintain the balance of ear pressure, to prevent ear pain.