Symptoms of rheumatic fever caused by streptococcal infection are mainly arthritis and carditis, which are categorized into general symptoms such as fever, typical symptoms such as arthritis and carditis, and other symptoms such as erythema annulare and chorea. 1. General symptoms: most patients have upper respiratory tract infections such as pharyngitis or tonsillitis 1 to 5 weeks before the onset of the disease. There may be irregular mild or moderate fever at the onset. 2. Typical symptoms: joint symptoms are more common, with wandering and multiple arthritis, and no joint deformity after the attack. Lower limb joints are most commonly involved, mostly in the hip, knee and ankle joints. Carditis is an important symptom, often with palpitations (rapid heartbeat, often accompanied by panic), shortness of breath, discomfort in the precordial area after exercise, pericarditis can be pericardial effusion, and severe carditis can be congestive heart failure. 3. Other symptoms: skin and mucous membrane symptoms such as erythema annulare, chorea, excessive sweating, nosebleed, abdominal pain caused by peritonitis. The appearance of the above symptoms should go to the hospital in time, under the guidance of professional doctors for treatment.