Prescribing the stimulus substance inside the testes of the small-sized mammal, painfully or to prescribe the suffering substance to the sick condition model animal, and the said sick condition model animal which feature that unpleasant impression conduct and pollakiuria condition are made to cause, painfully or unpleasant impression conduct and/or the Pelvis which features that pollakiuria condition is measured painfully syndrome, especially screening method of the remedy of the non bacterial characteristic chronic prostate flame.小型哺乳動物の精巣内に刺激物質を投与して疼痛又は不快感行動及び頻尿症状を惹起させることを特徴とする病態モデル動物、及び、該病態モデル動物に被験物質を投与し、疼痛又は不快感行動及び/又は頻尿症状を測定することを特徴とする骨盤疼痛症候群、とりわけ非細菌性慢性前立腺炎の治療薬のスクリーニング方法。
