Scabs inside the ear, usually yellowish in color, are mostly formed due to otitis externa and eczema of the external auditory canal. When otitis externa and eczema of the external auditory canal have a severe attack, yellowish secretion will be produced, which will flow out of the ear canal and form yellowish crusts in the external auditory canal and the cavity of the ear nails, and the patient can usually be accompanied by itching and discomfort as well as pain in the ear. In this case, we should keep the ear clean and dry, avoid picking and digging the outer ear canal with ear picker and other unclean objects, so as not to damage the skin of the outer ear canal, and do not let the dirty water enter the ear canal and cause infections, we should go to the ear, nose and throat department of the regular hospital in a timely manner, and carefully clean the outer ear canal by the professional physician, and we can adopt the use of of ofloxacin ear drops for external use, which can play a role of anti-inflammatory and pain relief.