30 days old baby head a lot of pimples, in the treatment of the main drug treatment, at the same time need to pay attention to daily care, specific need symptomatic treatment, may be and eczema or seborrheic rashes related. 1. eczema: baby this time if pimples on the head, may be related to eczema, mainly due to the indoor environment is too hot or wear too much lead, in the appropriate reduction of clothing, the color of the pimples will be slightly lighter, in the treatment of glycerine lotion can be used, and with the erythromycin ointment for treatment. 2. Seborrheic dermatitis: you can wet compress 2% boric acid solution, you can also apply clindamycin phosphate gel to strengthen the effect of anti-infection treatment. If there is a dry crust, you need to moisturize the treatment. In addition to the above medication, usually also need to pay attention to the hygiene around the head, do not let the baby scratch with their hands, to avoid cross-infection, in addition to the need to pay attention to the above medication are used under the guidance of a doctor, can not be taken on their own.