After contact with chickenpox patients, prevention can be carried out through good self-protection and enhanced observation. 1. Do self-protection: Chickenpox virus is mainly transmitted through droplets in the inhalation tract, direct or indirect contact, patients should disinfect their hands immediately after contact with chickenpox patients, and disinfect and clean their clothes as well. 2. Enhance observation: If you have never been infected with this kind of virus, you should pay attention to rest, maintain a reasonable diet, and observe your own changes after contact with the patient. In daily life, you should pay attention to skin protection, keep the skin clean and hygienic, if there is fever, fatigue, headache, sore throat and rash, there may be signs of infection, you should consult a doctor in time.