Children with sinusitis may experience dizziness, the following clinical analysis: 1, sinusitis exists swelling of the mucosa of the nasal cavity, especially hypertrophy of the inferior turbinates, a large amount of purulent secretions accumulate in the nasal cavity in the common nasal passage, the above reasons together lead to a narrower nasal cavity, nasal ventilation is restricted easily lead to hypoxia, lack of oxygen, hypoxia, lack of oxygen is easy to appear the central brain hypoxia, thus the performance of dizziness. 2, sinusitis The nasal turbinates and nasal septum are easily topped together, leading to compression of the local trigeminal nerve branches, which can easily lead to headaches, dizziness and other trigeminal neuralgia manifestations. 3, sinusitis, especially in acute sinusitis, a large amount of purulent secretions produce toxins into the bloodstream, which can lead to systemic infection, and once systemic inflammatory infection occurs, fever, dizziness and headaches can occur. In conclusion, sinusitis in small children may result in dizziness, which needs to be actively treated and handled.