[PROBLEMS] To provide a food composition having the form of a solid preparation, which can be suitably used as a supplement for feeding a functional ingredient into a body auxiliarily, particularly a food composition having beauty care effects such as a skin-moisturizing effect. [MEANS FOR SOLVING PROBLEMS] Disclosed is a food composition having the form of a solid preparation, which comprises a processed product of a plant Polygonum aviculare or a mixture of the processed product of a plant Polygonum aviculare and a processed product of at least one of hop (Humulus lupulus) and Japanese basil (Perilla frutescens) as an active ingredient.