Introduction : Hypertension is an increase in systolic or diastolic blood pressure that exceeds the threshold. In this study used Centella asiatica L. Wich is known to contain several compounds that can act as anti-hypertension including ACE (Angiotensin Converting Enzyme) and diuretics so that these plants can lower blood pressure. The aim of this research  is to determine the effect of gotu kola tea on blood pressure in hypertensive patients in Gunung Anyar District, Surabaya City.

Methods : Analitycal, quasi experiments, time series designs. Respondents 22 people aged 60-70 years, purposive sampling technique. Data anayzed by using T pair test test analysis.

Results : The results of examination of systolic and diastolic blood pressure in most respondents experienced a decrease. From the T pair test results on blood pressure before and after consuming Centella asiatica tea produced a significant value of p= 0,000 in systolic and p= 0,002 in diastoiic (α = 0,05) wich means that in this study H1 results were accepted and H0 was rejected.

Conclusion : There is an effect of gotu kola tea consumption on high blood pressure of the respondents in posyandu lansia “Sejahtera” RW 04 Rungkut Menanggal Village, Gunung Anyar District.

Keywords : Hypertension, Gotu Kola (Centella asiatica L.) Tea, Elderly.