Burning pain in the throat is a symptom of viral pharyngitis. Viral pharyngitis acute type of acute onset, first in the pharynx and oral mucosa, tonsils and corners of the mouth and so on the emergence of pinpoint-sized herpes, round or oval, isolated or clustered together, and soon ruptured to form a shallow ulcer, the surface of the surface is covered with a yellowish pseudomembrane, the surrounding mucous membranes are bright red, accompanied by chills, fever, burning pain in the pharynx. Examination of burning pain in the pharynx: Examination reveals pinpoint herpes in the pharynx and oral mucosa, tonsils and corners of the mouth, round or oval, isolated or clustered together, soon rupturing to form shallow ulcers covered with a yellowish pseudomembrane, and the surrounding mucous membranes are bright red. The tonsils are located at the junction of the digestive and respiratory tracts, where the mucosa contains a large amount of lymphoid tissue and is the site of frequent exposure to antigens that elicit a local immune response. Clumps of lymphoid tissue under the epithelium of the oropharynx. There are several clusters of lymphoid tissue under the epithelium around the base of the tongue and pharynx, which are called palatine tonsils, pharyngeal tonsils, and lingual tonsils according to their locations. Nasopharyngeal MRI Nasopharyngeal MRI refers to the examination of nasopharyngeal tumors, this method is clearer and more comprehensive than CT for the normal anatomy of the nasopharynx as well as the pathological anatomy of the nasopharynx. CT examination of the ear, nose and throat CT examination of the ear, nose and throat is a method of examination of the ear, nose and throat by CT. Bacterial Morphology Bacterial morphology is a method of observing the morphology of the bacterial organisms and groups of bacteria to determine the type of bacteria being examined and the genus to which they belong. Thickness of the smear. The degree of fixation. The method of rinsing, not to the smear area. Normal dietary habits and personal hygiene before the test.