Yin Yin Typhoid (fever caused by feeling cold) mainly refers to the disease caused by the injury of kidneys due to indoor labor and the recurrence of wind-cold or the aggravation of typhoid fever due to indoor sex in typhoid fever patients. This disease is more serious than the general typhoid fever because it is first committed to room labor and then infected with external evils, or in typhoid fever and then committed to intercourse, so the clinical manifestations are more serious than the general typhoid fever certificate. The main clinical manifestations include abdominal cramps, cold feet, coughing, red face and fever, vomiting or diarrhea, and fullness under the heart. Generally, you can take Si-Yi Tang plus Chai Hu, Artemisia annua and Perilla leaves to treat and regulate. During the treatment period, work and rest should be regular, and sufficient rest should be ensured to avoid staying up late. At the same time, patients should maintain optimistic and cheerful mood, diet should be light, avoid spicy stimulation, cold and cold food. If there is a need for medication, it is recommended that it be used under the guidance of a professional physician, and not blindly self-medication.