When the patient has a cough and weakness, he may be infected with pathogenic microorganisms, such as bacteria, viruses, or atypical pathogens. When the patient has generalized weakness, he may have a fever, and a complete temperature check is needed. Infection with pathogenic microorganisms, cough, sputum, fatigue, sore throat, peripheral joint pain symptoms can occur. When the patient has the above clinical symptoms, it is recommended to improve the blood routine, C-reactive protein, calcitoninogen, mycoplasma antibody, viral antibody, chest X-ray and other related examinations. If the patient is considered to be caused by viral infection, antiviral or symptomatic treatment can be used. If the patient is caused by bacterial infection, antibiotics can be used for treatment. If the patient is caused by atypical pathogens such as mycoplasma and chlamydia, macrolide antibiotics or quinolone antibiotics can be used.