The aforementioned measurement control means the nuclide of the type which differs making use of the high frequency magnetic field pulse of frequency of 2 types or more, respectively in parallel excited in the magnetic resonance imaging device which has with the measurement control means which control the aforementioned inclined magnetic field occurrence expedient and the aforementioned high frequency magnetic field occurrence expedient and the aforementioned signal processing expedient on the basis of magnetostatic field occurrence expedient and inclined magnetic field occurrence expedient and high frequency magnetic field occurrence expedient and signal reception expedient and signal processing expedient and the specified pulse sequence and the indicatory expedient which indicates the aforementioned picture, being in common to the nuclide where these were excited, the inclined magnetic field pulse which encodes spatiallyIt occurs, the said space is encoded and as the nuclear magnetic resonance signal which occurs each one of nuclide of the type which differs in parallel detected, it executes the pulse sequence of the same type, the aforementioned signal processing expedient reconstructs the picture in every respective nuclide.静磁場発生手段と、傾斜磁場発生手段と、高周波磁場発生手段と、信号受信手段と、信号処理手段と、所定のパルスシーケンスに基づいて前記傾斜磁場発生手段と前記高周波磁場発生手段と前記信号処理手段とを制御する計測制御手段と、前記画像を表示する表示手段とを備えた磁気共鳴イメージング装置において、前記計測制御手段は、2種類以上の周波数の高周波磁場パルスを用いて、異なる種類の核種をそれぞれ並行して励起し、これらの励起された核種に共通して空間エンコードを行う傾斜磁場パルスを発生し、該空間エンコードされて発生する核磁気共鳴信号を異なる種類の核種のそれぞれを並行して検出するように同じ種類のパルスシーケンスを実行し、前記信号処理手段は、それぞれの核種毎に画像を再構成する。
