Influx in the ear, also known as ear pus, is a symptom and sign of pus discharge from the external ear canal. It is usually caused by heat and toxicity or dampness and evil toxicity stagnating in the ear canal. It is mainly seen in acute and chronic pus in the ear, but also in ear boils and ear sores. The clinical treatment should be based on the type of disease and the symptoms of ear discharge. If the type of disease with ear discharge as the main symptom cannot be determined yet, the preliminary diagnosis can be made with ear discharge pending investigation, and the diagnosis and treatment and symptomatic treatment should be carried out. Mechanistic analysis】 1.Water-dampness soaking the ear: the chronic pus in the ear is due to external wind-cold or sewage entering the ear, the lung qi is not pronounced, the purging does not work, the water-dampness stops gathering and dries up in the ear, resulting in water and pus flowing in the ear. 2. Wind-heat offending the ear: Chronic pus in the ear, and then due to external wind-heat or wind-cold into heat, the evil enters Shaoyang and gathers in the ear orifice, resulting in increased flow of pus. 3.Liver fire offends the ear: When the six external infections are not treated, the fire and heat are so strong that they spread to the liver and gallbladder and steam up to the ear orifice through the meridians, causing the blood and Qi to become congested and pus to form. 4.Evil loves the ear orifice: When the acute pus in the ear is recovering, the evil toxin is not yet exhausted, or when the pus in the ear is prolonged, the spleen and stomach are deficient, the qi and blood are insufficient, and the evil of dampness and turbidity is stagnant in the ear for a long time. 5. Phlegm coagulation in the ear: prolonged illness with pus in the ear, lack of yang energy, kidney deficiency and bone weakness, and dryness of turbid yin on the ear, eroding the ear bone and muscle membrane. Diagnosis】 1. Symptom manifestation: Pus discharge flowing from the external ear canal, or pus discharge accumulating in the tympanic chamber. Oily cerumen in the external auditory canal is not ear pus; outflow from the external auditory canal resembles watery, and positive sugar reduction test is seen in patients with skull base fracture, which is mostly cerebrospinal fluid ear leakage, not ear pus. 2. Symptom classification: In addition to white pus and yellow pus according to the color of pus, pus can be generally classified according to the nature of pus: (1) Plasma ear pus: the secretion in the ear is like clear water, and the amount is large. (2) Mucus ear pus: ear pus is mucus-like, thin or not thin or thick, white or yellowish-white in color. (3) Purulent and mucopurulent ear pus: the ear discharge is thick like pus, yellow or yellow-white in color, and mucopurulent if the discharge is mixed with pus and mucous. (4) Pus and blood ear pus: the ear secretion with blood trapped in it. (5) Cholesteatoma ear pus: the secretions in the tympanic chamber or the upper tympanic chamber are in the form of bean residue, and the odor is unpleasant. 3.Concomitant symptoms: Generally accompanied by deafness, tinnitus, and sometimes ear pain. 4.Interrogation: Attention should be paid to the cause of the ear discharge, the nature of the pus, the amount of pus, the length of the disease, and any concomitant symptoms. 5.Examination: Attention should be paid to the nature and color of the ear pus, and to whether the eardrum is congested or perforated, and whether there is any accumulation of filthy secretions or tau in the tympanic chamber, and if necessary, mammograms should be performed. Identifying ideas】 1. If the new disease has yellow pus in the ear, accompanied by ear pain and fever, and the examination shows that the eardrum is congested and small perforated, it mostly belongs to acute pus ear. 2. If the pus flows in the ear after a prolonged illness and increases after a cold, and the examination reveals a central perforation of the tense part of the tympanic membrane, and the deafness is mild, the patient is mostly a simple type of chronic pus ear. 3. If there is pus in the ear with prolonged illness, or if there is a smell, and the examination shows marginal perforation or perforation in the relaxed part of the tympanic membrane, and there are buds or polyps in the tympanic chamber, and the auditory bone chain is destroyed, it is mostly the chronic pus ear with bone ulcer type. 4.Pusty ear with chronic disease, small amount of secretion in the ear with special malodor, marginal perforation of the tympanic membrane in the flaccid part, and bean residue-like cholesteatoma material in the tympanic chamber or upper tympanic chamber can be pulled out, which is mostly chronic pusty ear cholesteatoma type. 5. If the pus in the ear is yellow or white, sometimes more or less, and the eardrum is perforated or large or small, it is mostly chronic pus ear. 6.If the ear is itchy and the tympanic membrane is diffusely congested with granular granulation tissue and a little exudate on its surface, it mostly belongs to chronic granulomatous eardrum sore. If the ear pus is yellow or white, sometimes more and sometimes less, and the eardrum is perforated or large or small, it is mostly chronic pus ear. 7. If the ear pain is very severe and the examination shows that there is a limited red and swollen protrusion in the external ear canal, or there are yellow and white dotted pus plugs on the surface of the protrusion such as pepper eyes, it is an ear boil [furuncle]. 8. If the ear is painful and the examination shows diffuse redness and swelling of the skin of the external ear canal, superficial erosion, and a small amount of mucous-purulent secretion, it is mostly an ear sore. Symptomatic treatment】 1. Ear canal cleaning method: Applicable to those with pus in the ear canal or drum chamber. Clean the external ear canal with 3% hydrogen peroxide or light white vinegar (half of white vinegar and half of cool boiled water). When cleaning the tympanic chamber, pay attention to remove the white membranous material, otherwise the curative effect of local medication is poor. 2.Aqueous ear drops method: It is suitable for those who have a large amount of pus flowing from the ear. Clean the external ear canal first, then use Huanglian ear drops or antibiotic ear drops to drop the ear 3 to 5 times a day. 3.Ear drops with oil: It is suitable for those who have a small amount of mucus in the ear, especially chronic pus ear. Clean the external ear canal first, then use antibiotic oil drops such as chloramphenicol glycerin 2 to 3 times a day. 4.Tincture ear drops method: It is suitable for those whose drum chamber is moist but not dry and who have little secretion. Use 4% boric acid wine drops in the ear 2 to 3 times a day. 5.Powder blowing method: It is suitable for those with inflammation of the external ear canal, inflammation of the tympanic membrane, and perforation of the eardrum of pus ear not less than 2mm. Clean the external ear canal first, and then blow the chlorine and ice powder (9 parts of chloramphenicol and 1 part of ice chips) into the tympanic chamber with a powder sprayer. 6.Ear dipping method: Applicable to chronic osteochondritis or cholesteatoma type otitis media. Soak the ear with tincture of Chonglian for 30 minutes once a day for about 1 month.