The present invention provides a soy sauce powder having a favorable flavor and containing 2-phenyl ethanol and succinic acid at high concentrations. The low common salt soy sauce of the present invention is obtained by a method for producing a low common salt soy sauce, which includes adding a carbohydrate raw material to moromi in which the viable soy sauce yeast cell count per 1 g of moromi is 1×107 cells or more, adjusting the common salt concentration of the moromi in a manner such that the common salt concentration in moromi juice after maturation is 4.0 to 12.0 w/v %, and carrying out fermentation and maturation of the moromi. The pH of the obtained low common salt soy sauce is 4.7 to 6.0.