PURPOSE: To produce a smoked food rich in juice content and chewy, by dehydrating a food to be treated, heating the dehydrated food by far-infrared ray and bringing the food into contact with smoke.

CONSTITUTION: A food to be treated such as meets of bird, animal and fish, processed food thereof, solid protein food such as cheese, etc., starch food such as dumpling etc., is brought into contact with adsorptive dehydrated sheet or immersed in sugar liquid through permeable membrane to dehydrate. Excess dryness is prevented and appearance is improved by dehydrating the food utilizing osmotic pressure. The dehydrated food is heat-treated by fat-infrared ray and then treated with smoke. The smoking is carried out by hot smoking at about 70W80°C for 10W50min and treating time shorter than ordinary time being adequate.