diff --git a/cmd/web.go b/cmd/web.go
index d2b148d7e..a79384412 100644
--- a/cmd/web.go
+++ b/cmd/web.go
@@ -190,6 +190,7 @@ func runWeb(*cli.Context) {
 		r.Post("/issues/milestones/new", bindIgnErr(auth.CreateMilestoneForm{}), repo.NewMilestonePost)
 		r.Get("/issues/milestones/:index/edit", repo.UpdateMilestone)
 		r.Post("/issues/milestones/:index/edit", bindIgnErr(auth.CreateMilestoneForm{}), repo.UpdateMilestonePost)
+		r.Get("/issues/milestones/:index/:action", repo.UpdateMilestone)
 		r.Post("/comment/:action", repo.Comment)
 		r.Get("/releases/new", repo.ReleasesNew)
 	}, reqSignIn, middleware.RepoAssignment(true))
diff --git a/models/issue.go b/models/issue.go
index dad89f56c..e708e5431 100644
--- a/models/issue.go
+++ b/models/issue.go
@@ -471,6 +471,64 @@ func UpdateMilestone(m *Milestone) error {
 	return err
 }
 
+// ChangeMilestoneStatus changes the milestone open/closed status.
+func ChangeMilestoneStatus(m *Milestone, isClosed bool) (err error) {
+	repo, err := GetRepositoryById(m.RepoId)
+	if err != nil {
+		return err
+	}
+
+	sess := orm.NewSession()
+	defer sess.Close()
+	if err = sess.Begin(); err != nil {
+		return err
+	}
+
+	m.IsClosed = isClosed
+	if _, err = sess.Id(m.Id).AllCols().Update(m); err != nil {
+		sess.Rollback()
+		return err
+	}
+
+	if isClosed {
+		repo.NumClosedMilestones++
+	} else {
+		repo.NumClosedMilestones--
+	}
+	if _, err = sess.Id(repo.Id).Update(repo); err != nil {
+		sess.Rollback()
+		return err
+	}
+	return sess.Commit()
+}
+
+// DeleteMilestone deletes a milestone.
+func DeleteMilestone(m *Milestone) (err error) {
+	sess := orm.NewSession()
+	defer sess.Close()
+	if err = sess.Begin(); err != nil {
+		return err
+	}
+
+	if _, err = sess.Delete(m); err != nil {
+		sess.Rollback()
+		return err
+	}
+
+	rawSql := "UPDATE `repository` SET num_milestones = num_milestones - 1 WHERE id = ?"
+	if _, err = sess.Exec(rawSql, m.RepoId); err != nil {
+		sess.Rollback()
+		return err
+	}
+
+	rawSql = "UPDATE `issue` SET milestone_id = 0 WHERE milestone_id = ?"
+	if _, err = sess.Exec(rawSql, m.Id); err != nil {
+		sess.Rollback()
+		return err
+	}
+	return sess.Commit()
+}
+
 // Issue types.
 const (
 	IT_PLAIN  = iota // Pure comment.
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 38a971a0f..8a894aa8c 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -567,6 +567,34 @@ func UpdateMilestone(ctx *middleware.Context, params martini.Params) {
 		}
 		return
 	}
+
+	action := params["action"]
+	if len(action) > 0 {
+		switch action {
+		case "open":
+			if mile.IsClosed {
+				if err = models.ChangeMilestoneStatus(mile, false); err != nil {
+					ctx.Handle(500, "issue.UpdateMilestone(ChangeMilestoneStatus)", err)
+					return
+				}
+			}
+		case "close":
+			if !mile.IsClosed {
+				if err = models.ChangeMilestoneStatus(mile, true); err != nil {
+					ctx.Handle(500, "issue.UpdateMilestone(ChangeMilestoneStatus)", err)
+					return
+				}
+			}
+		case "delete":
+			if err = models.DeleteMilestone(mile); err != nil {
+				ctx.Handle(500, "issue.UpdateMilestone(DeleteMilestone)", err)
+				return
+			}
+		}
+		ctx.Redirect(ctx.Repo.RepoLink + "/issues/milestones")
+		return
+	}
+
 	mile.DeadlineString = mile.Deadline.UTC().Format("01/02/2006")
 	if mile.DeadlineString == "12/31/9999" {
 		mile.DeadlineString = ""
@@ -583,16 +611,16 @@ func UpdateMilestonePost(ctx *middleware.Context, params martini.Params, form au
 
 	idx, _ := base.StrTo(params["index"]).Int64()
 	if idx == 0 {
-		ctx.Handle(404, "issue.UpdateMilestone", nil)
+		ctx.Handle(404, "issue.UpdateMilestonePost", nil)
 		return
 	}
 
 	mile, err := models.GetMilestoneByIndex(ctx.Repo.Repository.Id, idx)
 	if err != nil {
 		if err == models.ErrMilestoneNotExist {
-			ctx.Handle(404, "issue.UpdateMilestone(GetMilestoneByIndex)", err)
+			ctx.Handle(404, "issue.UpdateMilestonePost(GetMilestoneByIndex)", err)
 		} else {
-			ctx.Handle(500, "issue.UpdateMilestone(GetMilestoneByIndex)", err)
+			ctx.Handle(500, "issue.UpdateMilestonePost(GetMilestoneByIndex)", err)
 		}
 		return
 	}
diff --git a/templates/issue/milestone.tmpl b/templates/issue/milestone.tmpl
index e15d96414..ebf02d83a 100644
--- a/templates/issue/milestone.tmpl
+++ b/templates/issue/milestone.tmpl
@@ -23,9 +23,12 @@
                     <span class="issue-close label label-warning">{{.NumOpenIssues}}</span>
                     <p class="actions pull-right">
                         <a href="{{$.RepoLink}}/issues/milestones/{{.Index}}/edit">Edit</a>
-                        <!-- <a href="#">Open</a>
-                        <a href="#">Close</a> -->
-                        <!-- <a class="text-danger" href="#">Delete</a> -->
+                        {{if .IsClosed}}
+                        <a href="{{$.RepoLink}}/issues/milestones/{{.Index}}/open">Open</a>
+                        {{else}}
+                        <a href="{{$.RepoLink}}/issues/milestones/{{.Index}}/close">Close</a>
+                        {{end}}
+                        <a class="text-danger" href="{{$.RepoLink}}/issues/milestones/{{.Index}}/delete">Delete</a>
                         <a href="{{$.RepoLink}}/issues?milestone={{.Index}}{{if .IsClosed}}&state=closed{{end}}">Issues</a>
                     </p>
                     <hr/>