Ma Zi that is measles, that is, refers to the clinical measles virus caused by skin lesions, chickenpox and measles difference mainly lies in the pathogenesis, symptoms and other aspects. 1. The pathogenesis is different: chickenpox is caused by varicella zoster virus infection, thus causing acute infectious skin diseases. Measles is an acute respiratory infectious disease caused by measles virus infection. 2. Different symptoms Chickenpox: In the prodromal stage of chickenpox, infants and young children may show asymptomatic or mild symptoms, such as low-grade fever, irritability, refusal of breastfeeding and rash; older children and adults may show chills, low-grade fever, headache, malaise and nausea, etc., which may last for 1-2 days to develop a rash. During the rash period, the rash mainly appears on the trunk, and then spreads to the face and limbs, and some patients may also have a rash in the mouth, throat and conjunctiva of the eyes. The rash is a red maculopapular rash, which may change to papules and develop into herpes after a few hours, and is oval in shape with a red halo around it. Measles: Measles has an incubation period of 6-21 days and is characterized by fever, cough, runny nose, conjunctivitis, oral measles mucous membrane spots, maculopapular rash all over the body, as well as hyperpigmented patches and bran-like flaking after the rash has gone away. When chickenpox or measles, should pay attention to timely hospital consultation and treatment, so as not to miss the disease.