There is no evidence that frequent nose rinses with saline can prevent infection with the new coronavirus. There is some limited evidence that washing the nose with saline regularly can help people recover from the common cold more quickly. However, washing the nose frequently does not prevent respiratory infections. Prevention of novel coronavirus can be done by paying attention to personal hygiene. Daily to do diligent hand washing in hand washing must use running water to play soap to be in about 20 seconds to be able to remove all the bacteria from the hands, usually can also drink more warm water and eat more nutritious food to enhance their immunity, meat and eggs must be cooked before eating.