Venezuelan President Nicolas Maduro closed the border last year for security reasons, but ordered Sunday's temporary lapse.
Last September, President Maduro paid a successful state visit to China, giving a strong boost to China-Venezuela relations.
Mr Maduro said the Venezuelan leader had now finished what he called the post-operative period and was entering a new phase of treatment in Havana.
This week, President nicolas Maduro appointed economist Ricardo Sanguino to lead the country's Central Bank.
Colombia's former President Alvaro Uribe says he will take Venezuela's President Nicolas Maduro to the Inter-American Human Rights Commission for allegedly putting his life at risk.
Mr Maduro has said he will veto the bill.
Mr Maduro, whose supporters also rallied in huge Numbers, the opposition of trying to stage a coup.
The government, led by Nicolas Maduro, boasts it has never missed a debt payment.
Advocate General Poiares Maduro at the European Court of Justice has said that Google has not infringed trademark rights by allowing advertisers to buy keywords.
President Nicolas Maduro said earlier this week that he had personally asked for Mr Tracy's arrest for his acts of conspiracy.
President nicolas Maduro responded by fixing the official exchange rate and ordering Banks to print more cash, which ultimately devalued the currency further, while goods prices soared.
Mr. Maduro met relatives and supporters of Mr. Chavez in his hometown and vowed to continue his social reform program.
President Maduro reportedly says that Venezuela is the victim of an economic war waged by his opponents.
