diff --git a/README.md b/README.md
index 3a9c680..40c6b28 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,7 @@ PS：所有http协议地址均可使用https，文档中为了统一写作`http`
   - [关系](user/relation.md)√
   - [个人空间](user/space.md)x
   - [检查昵称是否可注册](user/check_nickname.md)√
+  - [用户注册](user/register.md)
 - [视频](video)
   - [视频分区一览（分区代码）](video/video_zone.md)√
   - [基本信息](video/info.md)√
diff --git a/user/register.md b/user/register.md
new file mode 100644
index 0000000..fece8f0
--- /dev/null
+++ b/user/register.md
@@ -0,0 +1,88 @@
+# 用户注册
+
+## 0. 检查昵称是否可注册(可选)
+
+[检查昵称是否可注册(可选)](check_nickname.md)
+
+
+## 1. 完成人机验证
+
+[完成人机验证(参考验证登录)](../login/login_action/readme.md#验证登录)
+
+完成后得到`key`, `challenge`, `validate`, `seccode`四个参数
+
+
+## 2. 发送短信验证码
+
+[发送短信验证码(参考短信登录)](../login/login_action/SMS.md#发送短信验证码（web端）)
+
+**注意不同的是这里type=1而非21**,推测此参数决定短信内容
+
+<details>
+<summary>查看示例</summary>
+
+```bash
+curl 'https://passport.bilibili.com/web/sms/general/v2/send' \ 
+    -X POST \
+    -H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0' \
+    -H 'Referer: https://passport.bilibili.com/register/phone.html' \
+    -H 'Content-Type: application/x-www-form-urlencoded' \
+    --data-raw 'key=6eeb28e7bbd64b389da2be3a2778c7e3&captchaType=6&type=1&cid=1&tel=13888888888&challenge=c52148f88a28b6011db52bb213483ee8&validate=a98841cd6ea58e1b1f5783fca73cddb6&seccode=a98841cd6ea58e1b1f5783fca73cddb6%7Cjordan'
+```
+
+```json
+{"code":0,"message":"验证码短信已下发"}
+```
+
+</details>
+
+## 3. 提交注册请求
+
+> http://passport.bilibili.com/web/reg/tel
+
+*请求方式：POST*
+
+**正文参数（ application/x-www-form-urlencoded ）：**
+
+| 参数名 | 类型 | 内容 |
+| --- | --- | --- |
+| nickName | str | 昵称 |
+| code | num | 短信验证码 |
+| pwd | str | 密码 |
+| gourl | str | 注册成功跳转地址 |
+| tel | num | 手机号码 |
+| cid | num | 1 |
+| plat | num | 0 |
+
+**json回复：**
+
+根对象：
+
+| 字段   | 类型 | 内容     | 备注         |
+| ------ | ---- | -------- | --------- |
+| code | num | 返回值 | 0:成功<br>1005:验证码错误<br>1007:验证码过期 |
+| data | obj | 成功信息 | 只在成功时存在 |
+| message | str | 错误信息 | 只在错误时存在 |
+
+成功信息
+
+| 字段   | 类型 | 内容     | 备注         |
+| ------ | ---- | -------- | --------- |
+| redirectUrl | str | 跳转链接 | 不确定是否有用 |
+| hint | str | "注册成功" | 成功后不提示成功还能提示什么? |
+| in_reg_audit | num | 0 | 未知 |
+
+<details>
+<summary>查看示例</summary>
+
+```bash
+curl 'https://passport.bilibili.com/web/reg/tel' \
+    -X POST \
+    -H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0' \
+    -H 'Accept: application/json, text/plain, */*' \
+    -H 'Referer: https://passport.bilibili.com/register/phone.html' \
+    -H 'Content-Type: application/x-www-form-urlencoded' \
+    --data-raw 'nickName=%E8%90%8C%E7%B3%BB%E5%B0%8F%E5%A6%B9%E7%BA%B8%E3%82%8F&code=121314&pwd=Password1234&gourl=https%3A%2F%2Fpassport.bilibili.com%2Flogin%3Fgourl%3Dhttps%3A%2F%2Fspace.bilibili.com&tel=13888888888&cid=1&plat=0'
+```
+
+<details>
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