Upper respiratory tract infection with excessive sputum should firstly identify the causative organisms causing the infection, and then give anti-infective drugs and drugs to relieve cough and resolve sputum. The causes of upper respiratory tract infection may be viral infection, bacterial infection, mycoplasma or chlamydia infection, etc. Clinically, it is common in tracheitis and bronchitis caused by decreased resistance, cold and flu. Patients with upper respiratory tract infections with a lot of sputum should first go to the hospital for relevant examinations, such as routine blood, C-reactive protein, chest X-ray, and sputum bacterial culture if necessary to clarify the diagnosis. For viral infections, they are usually treated with antiviral and expectorant drugs, such as ribavirin, oseltamivir, and compound licorice tablets. Upper respiratory tract infections caused by bacteria are usually treated with broad-spectrum antibiotics, such as amoxicillin capsules and cephalosporin tablets. For upper respiratory infections caused by mycoplasma or chlamydia infections, drugs such as azithromycin dispersible tablets and roxithromycin are usually given. For phlegm, can be given phlegm chemotherapy drugs, such as ambroxol hydrochloride oral solution, Bizuxin, etc. Can also be given nebulization therapy to dilute phlegm, promote phlegm discharge. If you have an upper respiratory tract infection with a lot of phlegm, it is recommended that you consult a doctor in a timely manner and use targeted medication, which should be prescribed by the doctor. Take care to eat a light diet, avoid greasy and stimulating foods, eat more fresh vegetables, and pay attention to rest.