"Xiaohe Shuangpin" is a phonetic-shape input method based on Shuangpin and supplemented by graphic codes. , and provides a stroke auxiliary input function. Double spelling solution - He's double spelling, we have studied various double spelling solutions and reviewed a lot of data, and through personal experience, we have made the key combination more reasonable and comfortable; The auxiliary shape code - crane shape, was created because it was found that the efficiency improvement of taking large characters was limited, and it was found that the ability to separate repeated codes from "small characters" was stronger, and the splitting was simple and clear. Simple, easy to learn, and efficient, it is the best choice for Pinyin users to speed up.