Exhibit 12.1



Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002



I, Kangping Chen, certify that:



| | 1. | I have reviewed this annual report on Form 20-F of JinkoSolar
Holding Co., Ltd.;
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| | 2. | Based on my knowledge, this annual report does not contain
any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with respect to the period covered by this annual report;
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| | 3. | Based on my knowledge, the financial statements, and
other financial information included in this annual report, fairly present in all material respects the financial condition, results
of operations and cash flows of the registrant as of, and for, the periods presented in this annual report;
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| | 4. | The company’s other certifying officer and I are
responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and
15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the company
and have:
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| | (a) | Designed such disclosure controls and procedures,
or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating
to the company, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during
the period in which this report is being prepared;
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| | (b) | Designed such internal control over financial reporting,
or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance
regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance
with generally accepted accounting principles;
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| | (c) | Evaluated the effectiveness of the company’s
disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls
and procedures, as of the end of the period covered by this report based on such evaluation; and
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| | (d) | Disclosed in this report any change in the company’s
internal control over financial reporting that occurred during the period covered by the annual report that has materially affected,
or is reasonably likely to materially affect, the company’s internal control over financial reporting; and
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| | 5. | The registrant’s other certifying officer and
I have disclosed, based on our most recent evaluation, to the registrant’s auditors and the audit committee of the registrant’s
board of directors (or persons performing the equivalent function):
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| | (a) | All significant deficiencies and material weaknesses
in the design or operation of internal controls over financial reporting, which are reasonably likely to adversely affect the
registrant’s ability to record, process, summarize and report financial information; and
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| | (b) | Any fraud, whether or not material, that involves management
or other employees who have a significant role in the registrant’s internal controls over financial reporting.
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Date: April 30, 2013

| | By: /s/ Kangping Chen 
    Name:  Kangping Chen    
    Title: Chief Executive Officer
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