diff --git a/docs/proposals/suggestion.md b/docs/proposals/suggestion.md
index 8eae4ca0d09..929bf7cce05 100644
--- a/docs/proposals/suggestion.md
+++ b/docs/proposals/suggestion.md
@@ -406,4 +406,16 @@ status:
           value: 4
         - name: --optimizer
           value: adam
-```
\ No newline at end of file
+```
+
+## Algorithm Supports
+
+### Grid
+
+We can use the length of the trials to know which grid we are in. Please refer to the [implementation in advisor](https://github.com/tobegit3hub/advisor/blob/master/advisor_server/suggestion/algorithm/grid_search.py).
+
+### Bayes Optimization
+
+We can use skopt or the native implementation in katib to run bayes optimization.
+
+### Hyperband
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