Children with bubbles in the throat may be related to herpes pharyngitis, traumatic irritation and other factors, the specific analysis is as follows: 1. Herpetic isthmus: Herpetic isthmus is mainly due to viral infection resulting in multiple herpes, accompanied by fever, sore throat and other clinical symptoms. 2. traumatic stimulation: some children may be due to eat fish bones or chicken bones lead to stuck in the throat inside, thus stimulating the local mucous membrane under the appearance of blood bubbles. Children with small bubbles in the throat, there may be other reasons, it is recommended that parents take their children to the hospital in a timely manner to carry out relevant examinations, to clarify the cause of the disease after active symptomatic treatment.