The yellow and green nasal discharge after a cold usually includes general treatment, medication, nasal rinsing and other methods. 1. General treatment: yellow and green runny nose caused by colds need to drink more water, pay more attention to rest, diet need to eat light diet, can not eat spicy and stimulating food, avoid smoking and alcohol. 2. medication: after a cold simply caused by the flow of yellow and green nasal discharge can take medication, such as compound aminophenol alkylamine capsule, compound pseudoephedrine hydrochloride slow-release capsule and so on. If the yellow and green nasal discharge after a cold and accompanied by sinusitis, rhinitis, etc., in the clear bacterial infection, need to take antibiotics at the same time anti-infection treatment, such as commonly used cefuroxime, amoxicillin capsule, etc.. 3. Nasal rinsing: when the yellow-green snot is more, and accompanied by the symptoms of nasal congestion, you can relieve the symptoms through nasal rinsing, such as the use of hypertonic saline rinsing. It is recommended to go to the hospital in time to see a doctor if you have yellowish green nasal discharge after a cold. The above medications should be used under the guidance of a doctor to avoid delays.