A traditional Chinese medicine composition for treating hypertension comprises by weight: Herba seu Radix Amaranthi 10-50 parts, Herba Houttuyniae 3-15 parts, Chenopodium album 10-30 parts, Herba Angelicae Keiskei 10-30 parts, Semen Cassiae 3-15 parts, Flos Chrysanthemi 10-30 parts, Fructus Schizandrae 3-8 parts, cooked Panax notoginseng 5-18 parts, Rhizoma Gastrodiae 8-19 parts, Radix Astragali 10-30 parts, Cortex Eucommiae 10-25 parts, Rhizoma Cibotii 8-17 parts, Herba Anoectochili 1-5 parts, Herba Cirsii 5-13 parts, Spica Prunellae 10-25 parts, Ramulus Uncariaecum Uncis 3-8 parts, Rhizoma Alismatis 5-11 parts, Nacre 7-14 parts, Radix Achyranthis Bidentatae 7-14 parts, Flos Sophorae Immaturus 3-10 parts, Herba Dianthi Superbi 5-16 parts, affine cudweed 10-30 parts, Herba Plantaginis 8-19 parts, Herba Bidentis Pilosa 10-25 parts, and mint 10-25 parts. In the treatment process of hypertension, the traditional Chinese medicine composition is particularly suitable for treating obesity-related hypertension; the significant effect is obtained by using the composition in a treatment course: 30 days; hypertension is basically eliminated by taking the composition in succession in two to three treatment courses, appetite is improved, the mental state is good, and basic cure is obtained. The traditional Chinese medicine composition as a traditional Chinese medicine prescription is evidently better than western medicine and other pharmaceutical compositions.