Level 1: What should I do if my baby is bitten by a mosquito? ——Preventive measures 1.1 Wear long-sleeved clothes Wearing long-sleeved clothes can avoid mosquito bites. Especially when going out in the evening or early morning in summer, you should try to wear long-sleeved clothes. 1.2 Use mosquito coils or electric mosquito swatters. Using mosquito coils or electric mosquito swatters indoors can effectively kill mosquitoes and reduce the chance of bites. 1.3 Install screen windows Installing screen windows at home can prevent mosquitoes from entering the room, which is very important for families with small babies at home. Level 2: What should I do if my baby is bitten by a mosquito? ——First aid method 2.1 Cleaning