The invention relates to a potassium-free and low-sodium seasoning salt. By using common table salt and a yeast extract as fixed raw materials and reasonably proportioning delicious food raw materials according to different flavor demands, a series of potassium-free and low-sodium seasoning salt products is obtained, wherein the potassium-free and low-sodium seasoning salt comprises the following components in parts by mass: 70-90 parts of common table salt, 1-3 parts of yeast extract and 10-30 parts of powder food raw materials. By using a principle that sodium chloride and delicious substances are salty, delicious and synergistic, on the basis of ensuring certain salinity, the ingestion of sodium ions is relatively reduced, meanwhile, by adding the yeast extract and the natural delicious food materials, the seasoning salt is delicious.