PURPOSE: A manufacturing method of Salicomia herbacea tea is provided to have a spicy fragrance without a salty taste by only using Salicomia herbacea seeds. CONSTITUTION: A manufacturing method of Salicomia herbacea tea comprises a step of naturally drying aSliconia herbacea for 2-7 days and separating Saliconia herbacea seeds; a step of washing the Saliconia herbacea seeds with 5-40°C water; a step of drying the Saliconia herbacea seeds with hot air at 80-120°C; and a step of roasting the dried Saliconia herbacea seeds at 80-130°C. The average particle diameter of the Saliconia herbacea seeds is 5-30 mesh. The content of moisture in the dried Saliconia herbacea seeds is 0.01-2 wt%. The content of carbohydrate in the Saliconia herbacea tea is 70-80 g/100 g. The content of sodium in the Saliconia herbacea tea is 70-80 g/100 g. [Reference numerals] (S110) Step of naturally drying Salicornia herbacea, and separating Salicorniaa herbacea seeds; (S120) Step of washing separating Salicornia herbacea seeds; (S13
