The symptoms of streptococcal infection in the lungs are mainly common in lobar pneumonia, mainly due to substantial lesions in the lungs, manifested as a sudden rise in body temperature in a state of high fever, which can reach more than 40 ℃, appearing chills, fear of cold, obvious chest pain, chest tightness and other symptoms, coughing and coughing sputum is also more obvious, the sputum is blood-colored, typically rust-colored sputum. With further aggravation of the disease, the body temperature will continue to rise, and further aggravation of inflammation will lead to respiratory distress, such as wheezing, shortness of breath, and even respiratory distress, and some patients will also involve the heart causing cardiac insufficiency and palpitations.