Ultrasensitive C-reactive protein value of 33mg/l in neonates suggests the possibility of bacterial infection. Further examination is needed to clarify the cause of the disease, and active treatment. Ultrasensitive C-reactive protein value of 33mg/l in newborns is significantly elevated. If the neonate has an increased ultra-sensitive C-reactive protein, suggesting the possibility of bacterial infection, need to be combined with routine blood tests to determine the cause of the disease. If the ultrasensitive C-reactive protein is elevated and accompanied by increased leukocytes, mainly neutrophils, suggesting bacterial infection, cephalosporin, penicillin antibacterial drugs are given to clear the pathogenic bacteria. Newborns ultrasensitive C-reactive protein value of 33mg / l, there may be other reasons, it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment. The above medication is in accordance with medical advice.