Step 1: Understand the context of the question
The question is asking about the type of personal foreign exchange account that can be opened directly with valid identification documents.

Step 2: Identify the relevant information
In the context of banking and foreign exchange, different types of accounts have different requirements for opening、The key detail here is that the account can be opened with valid identification documents, which implies a straightforward process without the need for additional collateral or complex procedures.

Step

There are several types of personal foreign exchange accounts, including foreign exchange savings accounts and foreign exchange current (or checking) accounts、The question is likely referring to a common type of account that individuals can open for holding foreign currencies.

Step 3: Recognize the type of account
A foreign exchange savings account is a common type of account that individuals can open to hold foreign currencies、It is known that such accounts can typically be opened with valid identification.

Step 4: Relate the information to the given options or context
Although the specific options are not provided, the most straightforward type of personal foreign exchange account that can be opened with valid identification is likely a foreign exchange savings account.

Step 5: Conclude based on the information
Given that the question is about the type of personal foreign exchange account that can be opened directly with valid identification documents, and knowing that foreign exchange savings accounts are commonly opened for personal use with such documents, it's reasonable to conclude that the account in question is a foreign exchange savings account.

The best answer is 外汇储蓄账户.