The invention discloses a pinyin keyboard and a Chinese character input method based on the pinyin keyboard. The pinyin keyboard comprises an initial consonant keyboard, a syllable keyboard, a component keyboard and an initial consonant numeric keyboard, a syllable numerical keyboard and a component numerical keyboard. The input method based on the pinyin keyboard comprises a plurality of pinyin input modes and is combined with the direct auxiliary code technology and the pinyin statement input technology of 'one character one key', and therefore the input method based on the pinyin keyboard has the advantages that the number of keys is small, input is fast, the method is suitable for various keyboards of any sizes, and a user knowing no pinyin can type on the basis that the pinyin scheme is not changed, the pinyin thoughts are not interfered and the user needs not to cram the positions of the keys. According to the pinyin keyboard and the input method based on the pinyin keyboard, the '9 key syllabus' keyboard is combined with the zone bit soft keyboard technology, therefore, a sliding input method is formed, the sliding input method is applied to a touch screen system, the sliding input method has the advantages that an integrated pinyin is input through one keystroke and one lineation, the false accept rate of operation is low and hand fatigue and eyestrain do not occur easily. Therefore, the speed of man-machine conversation is improved to a large extent, and the comfort level of operation is improved.