Legionnaires’ disease has symptoms such as muscle pain, fever, headache, and cough. There are two types of Legionnaires’ disease onset, non-pneumonic Legionnaires’ disease and pneumonic Legionnaires’ disease, which have different symptoms. Symptoms of non-pneumonic Legionnaires’ disease are mainly easy fatigue, headache, muscle pain, cough, abdominal pain, fever, chills, joint pain, nausea and diarrhea. Symptoms of pneumonic Legionnaires’ disease mainly include high fever above 40℃, cough, chest pain, shortness of breath, coughing up sputum, nausea, vomiting, blood in sputum, abdominal pain, watery diarrhea, hematuria, drowsiness, coma, and blurred consciousness. Legionnaires’ disease is a more harmful disease, and the symptoms are more obvious, so when you find the relevant symptoms, you should consult the doctor as soon as possible, do not delay.