Legal analysis: firstly, get the registration code after real-name authentication in the tax service hall, and then use this registration code to open an account in the natural person tax service platform or "personal income tax" APP, and then you can log in to the natural person tax service platform or "personal income tax" APP remotely with this account. A natural person can bring his original valid ID card to the nearest tax service hall to apply for a registration code. The registration code is 6 digits and letters. The registration code is valid for seven days. Please register in time after application. If you accidentally lose it, you can apply again. The specific operation is as follows: (1) Natural persons must first apply to the nearest tax service hall to obtain the registration code; (2) Open the "Personal Income Tax" APP, click Register, select the registration method of registration code authentication, and truthfully fill in the identity information, including name, license type, license number, etc. The personal information filled in is compared with the data of the public security system, and cannot be falsely entered; (3) Set your own login name, password and mobile phone number (SMS verification) to complete the registration. The system will check the login name and password regularly. After setting, you can log in to the system through login name, mobile phone number or ID number, and carry out related business operations. Note: (1) The length of login name is 8- 16 characters, which can only include uppercase and lowercase letters, numbers, Chinese (2 characters in Chinese) and underscores; (2) The login name does not support pure numbers; (3) The password should be 8 to 15 digits, including at least two of letters (uppercase and lowercase), numbers and symbols, and no spaces.

Legal basis: the scope of individual income stipulated in Article 6 of the Regulations for the Implementation of the Individual Income Tax Law of the People's Republic of China:

(1) Income from wages and salaries refers to wages, salaries, bonuses, year-end salary increase, labor dividends, allowances, subsidies and other income related to employment or employment.

(2) Income from remuneration for labor services refers to income obtained by individuals from engaging in labor services, including design, decoration, installation, drawing, laboratory testing, testing, medical treatment, law, accounting, consulting, lecturing, translation, manuscript review, painting and calligraphy, sculpture, film and television, audio and video recording, performance, performance, advertisement, exhibition, technical service, introduction service and brokerage service.

(3) The term "income from remuneration for writing" refers to the income obtained by individuals from the publication of their works in the form of books, newspapers and periodicals.

(4) The term "income from royalties" refers to the income obtained by individuals from providing the right to use patents, trademarks, copyrights, non-patented technologies and other franchises; The income from providing the right to use copyright does not include the income from remuneration.

(5) Operating income refers to:

1. The income obtained by individual industrial and commercial households from their production and business operations, and the investors of sole proprietorship enterprises and individual partners of partnership enterprises come from the income from the production and business operations of sole proprietorship enterprises and partnership enterprises registered in China;

2 individuals engaged in school, medical care, consulting and other paid service activities in accordance with the law;

3. Income obtained by individuals from contracting, leasing, subcontracting or subletting enterprises and institutions;

4 individuals engaged in other production and business activities.

(6) Income from interest, dividends and bonuses refers to income from interest, dividends and bonuses obtained by individuals who own creditor's rights and stock rights.

(7) Income from property leasing refers to income obtained by individuals from renting real estate, machinery and equipment, vehicles, boats and other property.

(8) The term "income from property transfer" refers to the income obtained by individuals from transferring securities, stock rights, share of property in partnership enterprises, real estate, machinery and equipment, vehicles and boats and other property.

(9) Accidental income refers to personal income from winning prizes, winning prizes, winning lottery and other accidental properties.

If it is difficult to define taxable income items for personal income, it shall be determined by the competent tax authorities of the State Council.