The left side of the throat feels tingling, clinically there are mainly the following diseases may be: the first is peri-tonsillitis or peri-tonsillar abscess, mainly occurs in the peri-tonsillar space in the inflammatory infection, serious cases can form abscess, clinical treatment requires the application of antibiotics for anti-inflammatory treatment. If an abscess is formed, local incision and drainage is required, and if necessary, symptomatic treatment with hormones can be given. The second disease is that ulcers near the tonsils or soft palate or anterior arch may also appear. Such ulcers are related to local viral infections, etc. It is not excluded that the ulcers are formed by malignant tumors on the surface of the tonsils, which have a long onset and do not heal for a long time, and drug treatment is ineffective, mostly manifesting as deep ulcers. The third situation is that there may be foreign objects stuck in the throat by mistake, such as fish spikes, chicken bones, etc., which cause local scratches or foreign objects stuck in the throat, and the patient will have local stinging pain when swallowing. Therefore, patients with sore throat are recommended to go to ENT department for detailed examination of oropharynx and hypopharynx, and if necessary, to combine with electronic laryngoscopy for a comprehensive and systematic examination.