Combining half-summer and Xia Gu Cao can have the effect of clearing fire and resolving phlegm, and has certain therapeutic effects on headache and dizziness caused by phlegm-heat upward disturbance, nausea and vomiting, insomnia, etc. in combination with other medicines. The main effects of Radix Bupleurum Chinense are drying dampness and resolving phlegm (removing phlegm by drying dampness), lowering rebelliousness and stopping vomiting (stopping the upward flow of gastric qi, stopping vomiting), and subduing swellings and dispersing knots. The main effects of Xia Gu Cao are clearing away heat and fire (removing heat and fire from the body), dispersing lumps and swelling, and improving eyesight. Combined, half-summer and Xia Gu Cao can be used to treat headache and dizziness, nausea and vomiting, and insomnia caused by liver fire disturbing the heart and phlegm-heat disturbing the heart. It should be noted that half-summer is anti-antichuanwu, grass wool, epiphyllum, and should not be used together. Half-summer is warm in nature and should be used with caution for those with yin deficiency and blood dryness (deficiency of yin fluid, dryness and heat in the blood); Xia Kucao is bitter and cold, and should not be used for those with weak spleen and stomach. The medication should be taken after consulting a doctor, do not take the medication on your own to avoid adverse consequences.