After a baby is bitten by a tick, the skin can develop localized pimples, blisters, redness and swelling, or even vesicles and nodules. Tick bite is a relatively common skin disease in mountainous areas, and babies will secrete irritating fluids after being bitten by ticks, causing localized inflammatory reactions of varying degrees. In mild cases, localized erythema and petechiae may appear. In severe cases, obvious papules and blisters can be formed, accompanied by redness, swelling, itching, and even vesicles, nodules, numbness of the limbs and other symptoms. Babies bitten by ticks can also cause a variety of infectious diseases, including typhoid fever, typhus, etc. Once infected with an infectious disease, the patient may also show symptoms of the corresponding infectious disease. After a baby is bitten by a tick, the family should pay attention to it and go to the dermatology department of the hospital in time. By the doctor complete removal of the insect body, and then apply the appropriate drugs to eliminate the patient’s symptoms. Family members should not blindly remove the ticks by hand, so as to avoid improper treatment, the ticks stay in the skin and continue to irritate the skin, aggravating the inflammation.