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Commitments (Details) |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
May 08, 2020 USD ($) shares | May 08, 2020 CNY (¥) shares | Oct. 10, 2019 | Nov. 20, 2017 USD ($) | Nov. 20, 2017 CNY (¥) | Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($)
Commitments (Details) [Line Items] |  |  |  |  |  |  |
Lease agreement, description |  |  |  | lease for its office with a term from December 1, 2017 through November 30, 2020. | lease for its office with a term from December 1, 2017 through November 30, 2020. |  |
Monthly rental payment |  |  |  | $ 5,600 | ¥ 36,536 |  |
Rental expense | $ |  |  |  |  |  | $ 16,903 | $ 16,374
Common stock annually (in Shares) | shares | 5,000 | 5,000 |  |  |  |  |
Description of engagement agreement |  |  | the Company entered an investment banking engagement agreement with an investment banker firm to engage them as the exclusive lead underwriter for a registered securities offering of up to $20 million. The Company shall pay to the investment banker an equity retainer fee of 15,000 shares (post-reverse stock split) of the restricted Common Stock of the Company (10,000 shares was issued within 10 business days of signing the agreement, and remaining 5,000 shares will be paid upon completion of the offering). The agreement expired in March 2021. |  |  |  |
Chief Financial Officer [Member] |  |  |  |  |  |  |
Commitments (Details) [Line Items] |  |  |  |  |  |  |
Monthly salary | $ (2,300) | ¥ 16,000 |  |  |  |  |
New Lease Contract [Member] |  |  |  |  |  |  |
Commitments (Details) [Line Items] |  |  |  |  |  |  |
Lease agreement, description |  |  |  | The Company entered a new lease contract for the same location for a period from January 1, 2021 through December 31, 2023 | The Company entered a new lease contract for the same location for a period from January 1, 2021 through December 31, 2023 |  |
Monthly rental payment |  |  |  | $ 5,600 | ¥ 36,536 |  |

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