The yellow discharge from the sinusitis medication does not necessarily mean that it is getting better. Sinusitis itself can have a flow of yellow discharge performance, simply from the “yellow discharge” can not judge whether the sinusitis is better. When sinusitis attack, especially with bacterial infection, sinus inflammation stimulus to increase secretion, mixed with necrotic tissue and bacteria, resulting in yellow pus secretion. Therefore, sinusitis yellow secretion after medication does not mean that the condition is improved, but according to the local symptoms and systemic symptoms to determine whether the relief. The improvement of sinusitis is generally manifested in the relief of nasal congestion and headache, the reduction of yellow pus nasal discharge and the gradual reduction of systemic symptoms such as fever and fatigue. Therefore, sinusitis medication should be considered from a variety of aspects of the improvement, not only from a performance to judge, whether the improvement can be consulted in detail with a professional doctor.