The invention discloses a testing method of characteristics of sound vibration and point vibration of a piano sound board and special equipment thereof. The testing method of sound vibration and point vibration comprises the steps of applying the modern technologies, such as magnetostriction, audio measurement, vibration measurement, computer frequency spectrum analysis and the like in the manufacturing process of the piano sound board, utilizing a sound sensor and a vibration sensor for respectively detecting an integral sound vibration signal of the sound board and a point vibration signal of a local area, then analyzing the comprehensive vibration characteristics of the sound board through a computer frequency spectrum system, and further realizing the oriented tuning of the sound board. The method has the advantages of high sensitivity, fast and accurate measurement and strong intuition, and can effectively control the sound of the sound board and provide the scientific method andmeans for objective identification, evaluation and tuning of the acoustic quality of the piano sound board.The special equipment for testing of the characteristics of the sound vibration and the point vibration of the piano sound board mainly comprises an audio sweep signal generator, a magnetostrictive audio transducer, a measurement microphone, an accelerometer, a data acquisition card, professional frequency spectrum analysis software, a computer and the like.