According to the instructions of the medicine, patients with chronic nephritis should decide whether to take cold and fever granules according to the doctor’s advice in the case of wind-cold flu. Chronic nephritis belongs to the category of “urine turbidity” and “edema” in traditional Chinese medicine, and it is common to see unfavorable urination, cloudy or foamy urine, and edema, etc. The treatment should be divided into yin and yang, and those who belong to the yang are mainly treated with sweating, diuretic, and lung-expanding methods; those who belong to the yin are mainly treated with warming the yang, benefiting the qi, strengthening the spleen, and tonifying the kidneys. For those who are yin, the main treatment is to warm the yang, benefit the qi, strengthen the spleen and tonify the kidneys. Cold and Fever Granules is composed of Thornybush, Fenghuang, Perilla leaf, Bitter almond, Angelica dahurica, Mentha piperita, Chaihu, Pueraria lobata, Platycodon grandiflorus, Dictyostelium, Rehmannia glutinosa, Platycodon grandiflorus, it has the function of dispersing wind and dispersing cold, relieving the surface of the body and clearing away the heat. Adverse reactions can be seen nausea, vomiting, skin itching, etc., allergic to the product is prohibited. If necessary, it is recommended to go to a regular hospital, under the guidance of a professional physician, according to their own situation reasonable choice.