Tonsillitis can be divided into acute tonsillitis and chronic tonsillitis, the symptoms are mainly sore throat, swallowing pain, fever and bad breath, snoring and so on. 1. Acute tonsillitis: (1) Systemic symptoms: mainly seen in acute suppurative tonsillitis, there may be high fever, chills, headache, fatigue, constipation and other uncomfortable symptoms. (2) Local symptoms: patients may have severe sore throat, pain aggravated by swallowing, which may radiate to the ear. Some patients may also have difficulty swallowing, and infants and young children may also have difficulty breathing. 2. Chronic tonsillitis: this disease can lead to sore throat, dry throat, foreign body sensation, bad breath and other symptoms. Some patients with severe tonsillar hypertrophy may also experience symptoms such as snoring. With bacterial infection in the tonsil crypts, symptoms such as headache, fatigue, indigestion and low-grade fever may also occur. There are some differences in the symptoms manifested by patients with different conditions. When the above symptoms appear, attention should be paid and medical treatment should be sought as soon as possible.