Cold and yellow nasal discharge should be the symptom of wind-heat cold, which is related to factors such as heat in the lungs and heat accumulation in the body. This situation can be treated with medicines that remove heat and toxins, such as Compound Dazheng Ye Chongtian, Vitamin C Yin Qiao Tablets, Xiao Chai Hu Granules, or Compound Jin Yin Hua Granules, Qing Kai Ling Oral Liquid, etc. If the nasal mucus is sticky, it is recommended not to blow your nose too hard to avoid the accumulation of heat in the lungs. If the yellow nasal discharge is sticky, it is recommended not to blow the nose hard to avoid damage and bleeding of the nasal mucosa. You can use cotton swabs dipped in salt water to clean the nasal cavity to keep it clean. In addition, eating more fresh fruits and vegetables can also help to clear heat. Use more licorice, root of bluegrass, forsythia to make water to drink, can play the effect of clearing heat and moistening the lungs. Usually must pay attention to ensure sufficient rest and sleep, avoid staying up late and overwork. Diet, eat less smoked, greasy and spicy and other stimulating food. Usually pay attention to wash your face with cold water more often, which can keep you cool.