Thrombocytopenia leads to bleeding tendency in the skin, which can be seen as bleeding spots and petechiae, and belongs to the category of blood evidence in Chinese medicine. There are four main types of evidence, as follows: 1, heat compelling blood flow type, the main treatment is to clear heat and detoxify, cool the blood and stop bleeding, the representative formula is Rhizoma Dihuang Tang plus or minus, Rhizoma Dihuang Tang is mainly based on raw earth, red peony, water hyacinth, where raw earth and water hyacinth to cool the blood and stop bleeding; 2, Yin deficiency internal heat type, the main treatment is to nourish Yin and tonify the kidney, cool the blood and stop bleeding, the representative formula is Zhi Bai Dihuang Tang plus or minus, the main formula is Zhi Bai Dihuang Tang plus or minus. The main treatment is to nourish Yin and tonify the kidney, in which Zhi Bai Di Huang Tang is mainly used to clear deficiency heat; 3, the type of Qi deficiency, the main treatment is to benefit the Qi and strengthen the spleen, to regulate the blood and stop the bleeding, the main representative formula is Gui Shen Tang plus reduction, Gui Shen Tang uses Astragalus and Longan to nourish the Qi and blood as the ruling herb, and at the same time adds products to strengthen the spleen, tonify the Qi and stomach; 4, the type of internal obstruction of blood stasis, the main treatment is to invigorate blood stasis, cool the blood and stop the bleeding, the representative formula is Si Wu Tang plus reduction The representative formula is Siwu Tang with Addition and Reduction. Siwu Tang is a classic formula for nourishing the Blood, consisting of Angelica sinensis, Shu Di Huang, Chuan Xiong and Bai Shao.