Cannabis isn’t a treatment for autism itself but may be discussed for symptoms...

https://highstylife.com/what-is-an-ehcp-and-can-it-help-with-autism-support-in-london/

Cannabis isn’t a treatment for autism itself but may be discussed for symptoms that often come alongside it, like anxiety or sleep problems. NICE guidance stresses that any use, especially in under-18s, needs careful specialist prescribing