Can I go to Mexico first and then return to the United States from Mexico with an American visa?

Please refer to the following for details of visa-free travel to Mexico with a US visa: Mexico also allows some China citizens to enter Mexico visa-free. Details are as follows: 1. China citizens with valid US tourist, transit or business visas can enter Mexico visa-free. 2. Citizens of China who take flights from the United States to Mexico for tourism, transit or business purposes can enter Mexico without a visa. This means that visitors who already have an American visa can go to Mexico without a visa. Visitors can also get visa-free treatment if they take a flight from the United States to Mexico.