This paper summarized professor WANG Shouchuan's experience in differentiating and treating children epistaxis from the perspective of "four excess and three deficiency". It is believed that the pathogenesis of children epistaxis is concluded as "four excess and three deficiency"， of which the four excess syndromes are exuberant heat in the lung channel， intense stomach fire， heart fire hyperactivity， and liver fire flaming upward， while the three deficiency syndromes include

qi

，

yin

and

yang

deficiency. Seven methods for treating children epistaxis are summarized. For exuberant heat in the lung channel syndrome， it is recommended to clear lung and direct

qi

downward， using self-made

Xiebai Zhiniu Decoction

（泻白止衄汤）. For intense stomach fire syndrome， the method of clearing stomach and draining fire can be used with self-made

Qingwei Zhiniu Decoction

（清胃止衄汤）. In terms of heart fire hyperactivity syndrome， it is better to clear heart and drain fire， using self-made

Daochi Zhiniu Decoction

（导赤止衄汤）. For liver fire flaming upward syndrome， it is advised to clear liver and drain fire， using self-made

Yimu Zhiniu Decoction

（抑木止衄汤）. In terms of

qi

deficiency syndrome， the method of fortifying spleen and boosting

qi

and containing blood should be used with self-made

Futu Zhiniu Decoction

（扶土止衄汤）. If there is

yin

deficiency syndrome， it is advised to supplement

kidney， enrich

yin

and clear heat， using self-made

Zishui Zhiniu Decoction

（滋水止衄汤）. If there is

yang

deficiency syndrome， the method of boosting

qi

， warming

yang

and nourishing blood can be used， using self-made

Wenpi Zhiniu Decoction

（温脾止衄汤）.