Pimples on the face after playing the new crown vaccine may be caused by vaccine allergy, other own diseases and other reasons; it is recommended that the patient to identify the cause of the disease, under the guidance of the doctor to use loratadine anti-allergy, erythromycin ointment topical and other treatments. Acne on the face after vaccination may be caused by vaccine allergy. Usually the degree is relatively mild, you can use warm water to wipe the face, promote local circulation can be self-healing. However, if it continues to aggravate, it needs to be treated with antihistamines, such as loratadine. In addition, it may also be caused by their own reasons, such as co-infection. In this case, erythromycin ointment can be combined with local treatment to control the infection process, then the symptoms of the disease can be relieved. However, the specific cause of the disease needs to be clarified after medical examination, and at the same time according to the doctor’s instructions for treatment.