After the previous day to relieve stool hard generally does not lead to blood in the throat eye, blood in the throat eye consider pharyngitis, bronchial dilatation, sinusitis and other diseases caused by. 1. Pharyngitis: the cause of pharyngitis may be related to pathogenic bacteria infection, environmental pollution, gastroesophageal reflux and other factors. The patient’s throat will be painful, itchy and burning, and some patients will cough, which may lead to bleeding of the pharyngeal mucosa. 2. Bronchiectasis: The cause of bronchiectasis may be related to respiratory tract infection, bronchial obstruction, heredity and other factors. Patients may experience symptoms such as coughing, coughing up sputum, hemoptysis, and may experience blood in the throat. 3. Sinusitis: Sinusitis is mainly related to pathogenic bacterial infections such as diplococcus pneumoniae and cattacoccus. Patients will have fever, chills, nasal congestion, thick mucus and other symptoms. The thick mucus usually contains blood, which can flow to the throat and may cause blood in the throat. There are more causes of blood in the throat, it is recommended to go to a regular hospital for examination to clarify the cause of the disease and avoid delay.