Long-term deferred expenses refer to the expenses that the enterprise has spent, but the amortization period exceeds 1 year. Long-term prepaid expenses cannot be fully included in the current year's profit and loss, but should be amortized in future years, including the improvement expenses of rented fixed assets and other prepaid expenses with amortization period exceeding one year. According to the new accounting standards, start-up expenses and repair expenses are included in the current profit and loss at one time. The start-up expenses are included in the current management expenses, and the repair expenses are included in the sales expenses or management expenses (that is, the repair expenses are all expensed). Among them, the start-up expenses refer to the expenses incurred by the enterprise during the preparation period, including staff salaries, office expenses, training fees, travel expenses, printing fees, registration fees and borrowing costs that are not included in the value of fixed assets. Expenses to be amortized with an amortization period of more than one year shall be amortized in accordance with the provisions of undergraduate purpose. Its amount in the balance sheet reflects the amortized value of the long-term prepaid expenses of the enterprise.