2. The unit of weight can be "kg", or the code of "kg" or "kg" in Chinese.

3. The unit of weight cannot be written in half Chinese and half English, such as kilograms.

4. The number part can keep one decimal place. In the standard format of filling in the weight, the above four points must be followed. For example, someone's weight 135kg should be filled in as 67.5kg to 67.5kg or 67.5kg. ..