This study aimed to clarify outcome of the public health nursing practice conducted under the influence of COVID-19. A self-administered anonymous questionnaire survey was performed for 4th grader students at University from 2018 through 2020. The investigation items consisted of basic attributes, impression of public health nurse activity, learning motivation and learning target items. We compared shortened clinical practice and online practice enforced in 2020 and before. For 217 effective answers,＂A public health nurse was involved in practice sufficiently＂ was significantly low. In top learning achievement scores of 2020 included many of the items from the the learning target＂Process of public health nursing activity＂ and ＂Role and function of public health center and municipalities. In 2018 and 2019, learning achievement degrees were over 80% in 94.3% of 53 items while on the other hand it was only 32.1% in 2020. Learning achievement degrees were less than 60% in no items in 2018 and 2019 while it was 15.1% in 2020. For the techniques of health service and health practice for which the learning achievement degree were low in 2020, it is necessary to support students so that they can acquire them as a public health nursing practice ability.