Inquire in official website, State Taxation Administration of The People's Republic of China, People's Republic of China (PRC), if the service contract belongs to the technical service contract, then you need to pay stamp duty at the rate of 0.03%; If your service contract belongs to consulting service, training service, auditing service, management service and legal service, then you don't need to pay stamp duty. Information integration service refers to that under the modern digital network environment, based on modern information integration theory and technology, according to the provisions of the Stamp Duty Table, technical contracts include technology development, transfer, consultation and service contracts, and are stamped according to three ten thousandths of the amount involved. Therefore, the comprehensive service contract is technical, so stamp duty should be paid.