The invention relates to fungicide and insecticide, especifically to the substituted azole compounds and its preparation method and use thereof. The azole compounds of the invention having general formula (I): The compounds of present invention, having broad spectrum fungicidal activity, applied for controlling various disease in plants. For example they have good activity against the diseases such as cucumber downy mildew, cucumber grey mold, cucumber powdery mildew, tomato early blight, tomato late blight, phytophthora blight of pepper, grape downy mildew, grape white rot, apple ring rot, apple alternaria leaf spot, rice sheath blight, rice blast, wheat leaf rust, wheat leaf blotch, wheat powdery mildew, rapesclerotiniose, corn southern leaf blight. Some compounds have good insecticidal or acaricidal activity and can be used to control insects and acacids of various crops. For example they are used to control army worm, diamond backmoth and aphid, and culex mosquito.