How to resolve the issue that WeChat takes up an excessive amount of memory

Faced with a little memory on the phone, when sending videos or pictures employing WeChat, the program normally prompts that as a consequence of insufficient system memory, please clear the memory to ensure that the video or photo you want to send can not be sent, or the file can't be downloaded. What must I do? As how to repair raw drive as the memory is cleaned, the following describes the way to solve the problem of stopping WeChat from occupying too much memory and cleaning up WeChat garbage. Taking WeChat version six.5.7 as an instance, other versions are roughly the exact same.