What types of people can be fitted with hearing aids? Patients with moderate to severe neurological deafness can be fitted with hearing aids if the conservative treatment has no effect and affects normal communication. Patients with chronic otitis media with recurrent pus loss generally have poor hearing even after surgery for otitis media, or can consider hearing aids during the resting period of otitis media. How to choose hearing aids? The first thing you should do is to check the ear to exclude cerumen obstruction, and the second thing you should do is to do a hearing check, generally you can do electric side hearing, children who do not cooperate can do brainstem potential check to detect the hearing situation, according to the audiogram to match hearing aids, digital hearing aids can be targeted according to your different frequency hearing situation, so the matching effect is better. So to match hearing aids, you must first have a hearing check and match hearing aids according to the audiogram. Nowadays, there are many kinds of hearing aids, and the appearance of in-the-ear type cannot be seen, but the ear mould must be made according to the shape of the ear canal of the dispenser, which cannot be replaced by others.