Disinfection of dishes by boiling for 10 minutes is sufficient. The New Coronavirus is intolerant to heat and 30 minutes at 56°C will kill the virus. Disinfection of dishes should take into account not only Neoplasma but also more resistant infectious diseases such as dysentery, typhoid, cholera, hepatitis and especially hepatitis A. 10 minutes means boiling for 10 minutes, not soaking in boiling water at 100°C for 10 minutes. In some places such as Tibet, the water may boil at more than 70 degrees, because the highland pressure becomes low after the boiling point of water followed by a drop, so the provisions to boil for 10 minutes to ensure the safe and effective killing.