Pain on the top of the throat may be caused by pharyngitis, tonsillitis, nasopharyngitis and other diseases. 1. Pharyngitis: pharyngitis is mainly caused by viral, bacterial and other pathogenic infections, patients will have dry eyes, inflammation, sore throat and other symptoms. In addition, patients with pharyngitis will also experience symptoms such as loss of appetite, foreign body sensation in the throat, and generalized weakness. 2. Tonsillitis: Tonsillitis is related to a variety of factors, such as bacterial, viral and other pathogenic infections, immunity and other factors. The main symptoms of tonsillitis are fever, pharyngeal discomfort, pharyngeal pain, dysphagia, as well as dyspnea, headache, fatigue and other symptoms. 3. Nasopharyngitis: Nasopharyngitis is mainly caused by bacterial, viral and other pathogenic infections as well as environmental stimuli and other factors, and patients will experience dryness, burning sensation, pain and other symptoms in nasopharynx. In addition, patients with nasopharyngitis will also experience symptoms such as tearing and headache. When patients experience symptoms of pain above the throat, they should seek medical attention to identify the cause of the condition and follow the doctor’s instructions.